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2011
  1. Ryotaro Ozaki and Hiroshi Moritake
    Observation of cholesteric liquid crystal orientation in a holey fiber (C-P-24)
    Sixth International Conference on Molecular Electronics and Bioelectronics, M&BE6, Sendai International Conference Center, Miyagi, Japan, March 16-18, 2011

  2. Hiroshi Moritake, Ryotaro Ozaki, Kazumi Chiba, Hideo Yamamoto, Jun-ichi Ogawa, and Katsumi Yoshino
    Properties of Liquids, Liquid Crystals, Electrolyte Solutions and Ionic Liquids in Thin Cells and at Interfaces Studied Using Shear Horizontal Wave (06-19)
    IEEE International Conference on Dielectric Liquids 2011, ICDL 2011, Trondheim, Norway, June 26-30, 2011


2010
  1. Ryotaro Ozaki, Hiroshi Moritake, Katsumi Yoshino, and Anvar Zakhidov
    Negative refraction in tunable photonic crystal using liquid crystal (IL01)
    8th International Forum "New Waves in Supramolecular Chemistry and Superstructured Materials" (8th IFSC), Kumamoto University, January 14, 2010

  2. Toshihisa Kamei, Munehiro Yokota, Ryotaro Ozaki, Hiroshi Moritake, and Noriaki Onodera
    Dielectric-Relaxation Frequency Performance of the Liquid Crystal for Microwave Devices (P-1-200)
    23rd International Liquid Crystal Conference, ILCC 2010, Krakow, Poland, July 11 - 16, 2010.

  3. Munehiro Yokota, Toshihisa Kamei, Ryotaro Ozaki, Hiroshi Moritake, and Noriaki Onodera
    Microstrip Array Antenna with Nematic Liquid Crystals Loaded (P-1-201)
    23rd International Liquid Crystal Conference, ILCC 2010, Krakow, Poland, July 11 - 16, 2010.

  4. Ryotaro Ozaki, Masashi Aoki, Katsumi Yoshino, Kohji Toda, and Hiroshi Moritake
    Analysis of Effective Viscosity of Nematic Liquid Crystal in Shear Wave Method (P-1-227)
    23rd International Liquid Crystal Conference, ILCC 2010, Krakow, Poland, July 11 - 16, 2010.

  5. Yasuhiro Ogawa, Masayoshi Ojima, Ryotaro Ozaki, Hiroshi Moritake, Hiroyuki Yoshida, Akihiko Fujii, and Masanori Ozaki
    Polarization-Dependent Transmission Analysis in Cholesteric Blue Phase II Using Finite-Difference Time-Domain Method (P-2-91)
    23rd International Liquid Crystal Conference, ILCC 2010, Krakow, Poland, July 11 - 16, 2010.

  6. Ryotaro Ozaki, Hiroshi Moritake, Katsumi Yoshino and Anvar Zakhidov
    Light Propagation in Liquid Crystal Infiltrated Two-Dimentional Photonic Crystal at a High Order Photonic Band (P-2-158)
    23rd International Liquid Crystal Conference, ILCC 2010, Krakow, Poland, July 11 - 16, 2010.

  7. Hiroshi Moritake, Ryotaro Ozaki, Nguyen T Bach, Toshihisa Kamei, and Yozo Utsumi
    Response Analysis of Microstrip-Line Type Microwave Phase Shifter Using Nematic Liquid Crystal (P-2-160)
    23rd International Liquid Crystal Conference, ILCC 2010, Krakow, Poland, July 11 - 16, 2010.

  8. Hiroshi Moritake, Ryotaro Ozaki, Toshihisa Kamei, and Yozo Utsumi
    Effective Dielectric Permittivity of Coplanar Waveguide Type Microwave Phase Shifter Using Ferrlelectric Liquid Crystal (P-2-205)
    23rd International Liquid Crystal Conference, ILCC 2010, Krakow, Poland, July 11 - 16, 2010.



2009
  1. Masanori Ozaki, Hiroyuki Yoshida, Yo Inoue, Yuko Matsuhisa, Takuya Isomura, Akihiko Fujii, Ryotaro Ozaki, Hiroshi Moritake
    Cholesteric Liquid Crystal Lasers with In-plane Helix Alignment (7232-18) Invited Paper
    SPIE Photonics West 2009, San Jose Convention Center, January 24-29, 2009

  2. Hiroshi Moritake, Ryotaro Ozaki, Toshihisa Kamei, and Yozo Utsumi
    Comparison between Microwave and Light-wave Measurements for Nematic Liquid Crystal loaded CPW-FE Phase Shifter (C-P8)
    Fifth International Conference on Molecular Electronics and Bioelectronics, M&BE5, Miyazaki International Conference Hall, Miyazaki, Japan, March 15-18, 2009

  3. Hiroshi Moritake, Nguyen T. Bach, Ryotaro Ozaki, Toshihisa Kamei, and Yozo Utsumi
    Response characteristics of microwave and milliwave variable phase shifter using nematic and ferroelectric liquid crystals (7414-14) Invited Paper
    SPIE Optics+Photonics, San Jose Convention Center, August 2-6, 2009

  4. Hiroshi Moritake, Ryotaro Ozaki, Nguyen T. Bach, Toshihisa Kamei, Yozo Utsumi
    Response Analysis of Microwave Variable Phase Shifter Using Nematic Liquid Crystals (O4-1)
    The 9th International Discussion & Conference on Nano Interface Controlled Electronic Devices (IDC-NICE 2009), Chiba University, November 17-20, 2009


2008
  1. Ryotaro Ozaki, Toshikazu Shinpo, Katsumi Yoshino, Masanori Ozaki, and Hiroshi Moritake
    Optical Properties of Nanoimprinted Grating with Nematic Liquid Crystal (APP73)
    22nd International Liquid Crystal Conference, ILCC 2008, ICC Jeju, Jeju Island, Korea, June 29 - July 4, 2008.

  2. You Inoue, Yuko Matsuhisa, Yuuki Takao, Takuya Isomura, Aakihiko Fujii, Ryotaro Ozaki, Hiroshi Moritake, and Masanori Ozaki
    Continuous Wavelength Tuning in Cholesteric Liquid Crystal Lasers with an In-Plane Helix Alignment (APP146)
    22nd International Liquid Crystal Conference, ILCC 2008, ICC Jeju, Jeju Island, Korea, June 29 - July 4, 2008.

  3. Ryotaro Ozaki, Toshikazu Shinpo, and Hiroshi Moritake
    Influence of Rapid Thermal Annealing on Molecular Orientation of Planar Cholesteric Liquid Crystal (ORD20)
    22nd International Liquid Crystal Conference, ILCC 2008, ICC Jeju, Jeju Island, Korea, June 29 - July 4, 2008.

  4. Yozo Utsumi, Ryotaro Ozaki, Hiroshi Moritake, N. Bach, and Toshihisa Kamei
    Comparison of Birefringence between Microwave Measurements and Theoretical Calculations for Liquid-Crystal-Loaded CPW-FE Phase Shifter (OHT12)
    22nd International Liquid Crystal Conference, ILCC 2008, ICC Jeju, Jeju Island, Korea, June 29 - July 4, 2008.

  5. Hiroshi Moritake, Ryotaro Ozaki, Toshihisa Kamei, and Yozo Utsumi
    Effective Dielectric Permittivity of Microwave and Milliwave Variable Phase Shifter of Coplanar Waveguide Using Ferroelectric Liquid Crystal (OHT30)
    22nd International Liquid Crystal Conference, ILCC 2008, ICC Jeju, Jeju Island, Korea, June 29 - July 4, 2008.

  6. Katsumi Yoshino, Ryotaro Ozaki, and Hiroshi Moritake
    Properties of liquids, liquid crystals, ionic liquids and ionic liquid crystals in thin cells studied using shear horizontal wave propagation (S3-03)
    16th IEEE International Conference on Dielectric Liquids, ICDL 2008, Poitiers, France, June 30 - July 4, 2008.

  7. Hiroshi Moritake, Ryotaro Ozaki, and Katsumi Yoshino
    Effects of ultrasonic wave propagating in liquid crystals on substrate (S3p-05)
    16th IEEE International Conference on Dielectric Liquids, ICDL 2008, Poitiers, France, June 30 - July 4, 2008.

  8. Ryotaro Ozaki, Rabia Moussa, Anvar A. Zakhidov, Hiroshi Moritake, Katsumi Yoshino
    Analysis of Tunable Negative Refraction in Liquid Crystal Infiltrated Opal and Inverse Opal (WTuA4)
    International Conference on Sicence and Technology of Synthetic Metals, ICSM 2008, Porto de Glinhas Pernambuco, Brazil, July 6-11, 2008.

  9. Hiroshi Moritake, Ryotaro Ozaki, Toshihisa Kamei, and Yozo Utsumi
    Coplanar waveguide microwave and milliwave variable phase shifter using ferroelectric liquid crystal (P-28)
    4th Japanese-Italian Workshop on Liquid Crystals, JILC '08, Nara New Prefectural Building, Nara, Japan, July 7-9, 2008.

  10. Hiroyuki Yoshida, Kenji Tagashira, Satoshi Suzuki, Ryotaro Ozaki, Hiroshi Moritake, Akihiko Fujii, and Masanori Ozaki
    Radially polarized lasing from a one-dimensional photonic crystal with a patterned nematic liquid crystal active layer (P-47)
    4th Japanese-Italian Workshop on Liquid Crystals, JILC '08, Nara New Prefectural Building, Nara, Japan, July 7-9, 2008.


2007
  1. Ryotaro Ozaki, Toshikazu Shinpo, Masanori Ozaki, Hiroshi Moritake
    Lasing in Cholesteric Liquid Crystal Oriented by Acoustic Streaming (2P_63)
    Fourth International Conference on Molecular Electronics and Bioelectronics, M&BE4, The University of Tokyo, Tokyo, Japan, March 14-16, 2007.

  2. Hiroshi Moritake, Satoshi Morita, Ryotaro Ozaki, Toshihisa Kamei and Yozo Utsumi
    Microwave Phase Shifter Using Ferroelectric Liquid Crystal (2P_65)
    Fourth International Conference on Molecular Electronics and Bioelectronics, M&BE4, The University of Tokyo, Tokyo, Japan, March 14-16, 2007.

  3. Toshikazu Shinpo, Ryotaro Ozaki, Katsumi Yoshino, Masanori Ozaki and Hiroshi Moritake
    Acoustic Streaming Effect on Alignment of Smectic and Cholesteric Liquid Crystals (P1-41)
    11th International Conference on Ferroelectric Liquid Crystals, FLC 2007, Sapporo, Japan, September 3-8 2007.

  4. Hiroshi Moritake, Satoshi Morita, Ryotaro Ozaki, Toshihisa Kamei and Yozo Utsumi
    Fast switching microwave variable phase shifter using ferroelectric liquidcrystal (P1-53)
    11th International Conference on Ferroelectric Liquid Crystals, FLC 2007, Sapporo, Japan, September 3-8 2007.

  5. Ryotaro Ozaki, Kohji Toda, Masanori Ozaki Katsumi Yoshino and Hiroshi Moritake
    Influence of Film Thickness on Mechanical Vibration of Freely Suspended Ferroelectric Liquid Crystal Film (P2-15)
    11th International Conference on Ferroelectric Liquid Crystals, FLC 2007, Sapporo, Japan, September 3-8 2007.


2006
  1. Ryotaro Ozaki, Masashi Aoki, Hiroshi Moritake, Kohji Toda and Katsumi Yoshino
    Molecular Direction Dependence of Shear Horizontal Wave Propagation in Nematic Liquid Crystal (DYNAP-43)
    21th International Liquid Crystal Conference, ILCC 2006, Keystone, Colorado, USA, July 2 - 7, 2006.

  2. Masashi Aoki, Ryotaro Ozaki, Hiroshi Moritake, Kohji Toda and Katsumi Yoshino
    Viscosity Response Measurement of Nematic Liquid Crystal under Application of Electric Field Using Shear Horizontal Wave (DYNAP-45)
    21th International Liquid Crystal Conference, ILCC 2006, Keystone, Colorado, USA, July 2 - 7, 2006.

  3. Satoshi Morita, Hiroshi Moritake, Ryotaro Ozaki, Kohji Toda, Masanori Ozaki and Katsumi Yoshino
    Electric Field Induced Mechanical Vibration Characteristics in Freely Suspended of Ferroelectric Liquid Crystal (FERRP-59)
    21th International Liquid Crystal Conference, ILCC 2006, Keystone, Colorado, USA, July 2 - 7, 2006.

  4. Hiroshi Moritake, Satoshi Morita, Ryotaro Ozaki, Toshihisa Kamei and Yozo Utsumi
    Microwave Variable Phase Shifter of Microstrip and Coplanar Waveguide Structures Using Ferroelectric Liquid Crystal (DEVIP-4)
    21th International Liquid Crystal Conference, ILCC 2006, Keystone, Colorado, USA, July 2 - 7, 2006.

  5. Yuko Matsuhisa, Yuki Takao, Ryotaro Ozaki, Katsumi Yoshino and Masanori Ozaki
    Defect Mode Analysis in One-dimensional Dual Photonic Crystal with Helix (OPTIP-37)
    21th International Liquid Crystal Conference, ILCC 2006, Keystone, Colorado, USA, July 2 - 7, 2006.

  6. H. Moritake, S. Morita, R. Ozaki, T. Kamei and Y. Utsumi
    Microwave Variable Phase Shifter Using Ferroelectric Liquid Crystal (4A4)
    Progress In Electromagnetics Research Symposium, PIERS 2006-TOKYO, Korakuen Campus, Chuo University, Tokyo, JAPAN, August 2 - 5, 2006.


2005
  1. M. Ozaki, Y. Matsuhisa, H. Yoshida, R. Ozaki, T. Matsui and K. Yoshino
    Photon Localization and Laser Action in Nano-structured Chiral Liquid Crystal (4O-A02)
    Third International Conference on Molecular Electronics and Bioelectronics, M&BE3, Tokyo, Japan, Mar. 3-4, 2005.

  2. R. Ozaki, T. Sanda, H. Yoshida, Y. Matsuhisa, M. Ozaki and K. Yoshino
    Defect Mode in Cholesteric Liquid Crystal Consisting Two Helicoidal Periodiciteis (3P-B19)
    Third International Conference on Molecular Electronics and Bioelectronics, M&BE3, Tokyo, Japan, Mar. 3-4, 2005.

  3. Y. Matsuhisa, R. Ozaki, M. Ozaki and K. Yoshino
    Laser action in one-dimensional double periodic structure with cholesteric liquid crystal (P45)
    International Symposium on the Manipulation of Advanced Smart Materials, ISMASM, Nara, Japan, May 26-27, 2005.

  4. K. Yoshino, R. Ozaki, Y. Matsuhisa, S. Hiwatashi and M. Ozaki
    Properties of Liquids and Liquid Crystals in Nano-Scale Space
    15th IEEE International Conference on Dielectric Liquids, ICDL2005, Coimbra, Portugal, 26 June-1st July, 2005.

  5. K. Yoshino, R. Ozaki, H. Moritake and K. Toda
    Conducting and Photo-active Polymers in Liquid and Solution States Studied by Acoustic Shear Horizontal Wave
    15th IEEE International Conference on Dielectric Liquids, ICDL2005, Coimbra, Portugal, 26 June-1st July, 2005.

  6. H. Moritake, R. Ozaki, M. Ozaki, K. Yoshino, K. Toda
    Electric field induced mechanical vibration characteristics of freely suspended ferroelectric liquid crystal film (A24)
    10th Conference on Ferroelectric Liquid Crystals, FLC2005, Stare Jablonki, POLAND, 12-17 September, 2005.

  7. Y. Matsuhisa, R. Ozaki, W. Haase, K. Yoshino, M. Ozaki
    Light localization and lasing characterization in one-dimensional photonic crystal with a helix defect of ferroelectric liquid crystal (C35)
    10th Conference on Ferroelectric Liquid Crystals, FLC2005, Stare Jablonki, POLAND, 12-17 September, 2005.



2004
  1. K. Yoshino, H. Takeda, M. Kasano, S. Satoh, T. Matsui, R. Ozaki, A. Fujii, M. Ozaki and A. Kose
    Novel tunable optical properties of liquid crystals, conjugated molecules and polymers in nanoscale periodic structures as photonic crystals
    Macromolecular Symposia, v 212, April, 2004, p 179-190

  2. M. Ozaki, K. Funamoto, M. Kasano, R. Ozaki, W. Haase and K. Yoshino
    LASER ACTION AND ELECTRICAL WAVELENGTH-TUNABILITY IN CHIRAL LIQUID CRYSTALS
    20th International Liquid Crystal Conference, ILCC 2004, Ljubljana, Slovenia, July 4 - 9, 2004.

  3. R. Ozaki, Y. Matsuhisa, M. Ozaki and K. Yoshino
    LASER ACTION BASED ON THE ELECTRICALLY CONTROLLABLE DEFECT MODE IN ONE-DIMENSIONAL PHOTONIC CRYSTAL CONTAINING CONDUCTING POLYMER AND LIQUID CRYSTAL DEFECT LAYERS
    20th International Liquid Crystal Conference, ILCC 2004, Ljubljana, Slovenia, July 4 - 9, 2004.

  4. R. Ozaki, H. Miyoshi, M. Ozaki and K. Yoshino
    TUNABLE DEFECT MODE IN ONE-DIMENSIONAL PHOTONIC CRYSTAL WITH LIQUID CRYSTAL DEFECT LAYER
    20th International Liquid Crystal Conference, ILCC 2004, Ljubljana, Slovenia, July 4 - 9, 2004.

  5. R. Ozaki, Y. Matsuhisa, M. Ozaki and K. Yoshino
    Low Driving Voltage Tunable Laser based on One-dimensional Photonic Crystal containing Liquid Crystal Layer
    The Second Japanese-Italian Workshop on Liquid Crystals, Tsu, Japan, September 5 - 8, 2004.

  6. M. Ozaki, R. Ozaki, T. Matsui and K. Yoshino
    Laser actions in nano-helical-structured liquid crystals
    Proceedings of SPIE - The International Society for Optical Engineering, v 5518, Liquid Crystals VIII, Oct., 2004, p 44-50


2003
  1. R. Ozaki, T. Matsui, H. Miyoshi, M. Ozaki, and K. Yoshino
    Optical Properties and Laser Action in One-dimensional Periodic Dielectrics Containing Liquid Crystal as Defect Layer
    7th International Conference on Properties and Applications of Dielectric Materials, ICPADM 2003, Nagoya, Aichi, Japan, June 1-5, 2003.
    Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials, v 2, 2003, p 528-531

  2. M. Ozaki, R. Ozaki, M. Kasano, W. Haase and K. Yoshino
    SELECTIVE REFLECTION IN ELECTRICALLY DEFORMED HELIX OF FERROELECTRIC LIQUID CRYSTAL
    9th International Conference on Ferroelectric Liquid Crystals, FLC 2003, Dublin, Ireland, August 24-29 2003.

  3. M. Ozaki, M. Kasano, R. Ozaki, K. Funamoto, D. Ganzke, W. Haase and K. Yoshino
    ELECTRICAL TUNABILITY OF LASER ACTION IN FERROELECTRIC LIQUID CRYSTAL
    9th International Conference on Ferroelectric Liquid Crystals, FLC 2003, Dublin, Ireland, August 24-29 2003.

  4. R. Ozaki, H. Miyoshi, M. Ozaki and K. Yoshino
    FAST ELECTROOPTIC RESPONSE BASED ON DEFECT MODE SWITCHING IN ONE-DIMENSIONAL PHOTONIC CRYSTAL CONTAINING NEMATIC LIQUID CRYSTAL AND FERROELECTRIC LIQUID CRYSTAL AS A DEFECT LAYER
    9th International Conference on Ferroelectric Liquid Crystals, FLC 2003, Dublin, Ireland, August 24-29 2003.

  5. M. Ozaki, M. Kasano, K. Funamoto, R. Ozaki, T. Matsui and K. Yoshino
    Tunable lasing in doped liquid crystals with one dimensional periodic structure
    Proceedings of SPIE - The International Society for Optical Engineering, v 5213, Dec., 2003, p 111-122


2002
  1. A. O. Akumu, N. Kawaguchi, R. Ozaki, H. Ihori, M. Fujii, and K. Arii
    A 3-D numerical simulation of partial discharge acoustic wave propagation in a model transformer
    Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation, Boston, MA, USA, April 4-10, 2002, p 183-186

  2. M. Fujii, R. Ozaki, H. Ihori and K. Arii
    Wavelet analysis of pattern of Neuron-type conducting polymer
    2nd International Symposium on Organic Molecular Electronics, Saitama, Japan, May 16-17, 2002.

  3. T. Matsui, R. Ozaki, K. Funamoto, M. Ozaki, and K. Yoshino
    Flexible Lasers Made From Cholesteric Liquid Crystal Polymers
    The 19th International Liquid Crystal Conference, ILCC 2002, Edinburgh, UK, June 30-July 5, 2002.


2001
  1. R. Ozaki, A. O. Akumu, H. Ihori, M. Fujii and K. Arii
    Simulation of ultrasonic wave propagation of partial discharge in transformer model
    2001 INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATING MATERIALS, ISEIM 2001, Himeji, Japan, 11, 2001.
    Proceedings of the International Symposium on Electrical Insulating Materials, 2001, p 880-883

  2. A. O. Akumu, N. Kawaguchi, R. Ozaki, H. Ihori, M. Fujii and K. Arii
    A Study of Partial Discharge Acoustic Signal Propagation in a Model Transformer
    2001 INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATING MATERIALS, ISEIM 2001, Himeji, Japan, 11, 2001.
    Proceedings of the International Symposium on Electrical Insulating Materials, 2001, p 583-586