Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9139774 | Diacetylene derivative and liquid crystalline polymer having diacetylene structure | Yuki Arakawa, Gen-Ichi Konishi, Shunpei Nakajima, Sungmin Kang, Junji Watanabe +2 more | 2015-09-22 |
| 9074308 | Battery separator comprising a polyolefin nanofilament porous sheet | Akihiro Suzuki, Akira Matsuo, Takeshi Nishizawa, Atsuo Omaru | 2015-07-07 |
| 7826510 | Laser oscillation elements | Hideo Takezoe, Junji Watanabe, Myoung Hoon Song, Byoungchoo Park, Ki Chul Shin +1 more | 2010-11-02 |
| 7701537 | Optical diode | Hideo Takezoe, Byoungchoo Park, Myoung Hoon Song, Jisoo Hwang, Suzushi Nishimura | 2010-04-20 |
| 6977700 | Circular polarization plate and liquid crystal display device | Tetsuya Uesaka, Eiji Yoda | 2005-12-20 |
| 6750941 | Complex diffraction device | Yasushi Satoh, Yoshihiro Kumagai | 2004-06-15 |
| 6628369 | Circular polarizer and liquid crystal display | Yoshihiro Kumagai, Suzushi Nishimura, Tetsuya Uesaka | 2003-09-30 |
| 6124913 | Compensating film for a liquid crystal display and an OCB mode liquid crystal display incorporating the compensating film | Hitoshi Mazaki, Yasushi Sato | 2000-09-26 |
| 6034754 | Liquid crystal display device with compensating film(s) | Yasushi Sato, Hitoshi Mazaki | 2000-03-07 |
| 5943110 | Liquid crystal display device provided with a liquid crystalline compensating film having a positive uniaxiality in a nematic hybrid orientation | Eiji Yoda, Tadahiro Kaminade, Takuya Matsumoto | 1999-08-24 |
| 5883685 | Compensating film for a liquid crystal display and an OCB mode liquid crystal display incorporating the compensating film | Hitoshi Mazaki, Yasushi Sato | 1999-03-16 |
| 5855971 | Liquid crystalline optical film, compensating film for liquid crystal display comprising the liquid crystalline optical film, and liquid crystal display having the compensating film | Yoshihiro Kobori, Hitoshi Mazaki, Yasushi Satoh | 1999-01-05 |
| 5526150 | Liquid crystal polymer viewing angle compensator for liquid crystal display having its largest refractive index in the thickness direction | Hitoshi Mazaki, Hiroyuki Itoh | 1996-06-11 |
| 5510913 | Head-up display system where polarized light from a display impinges on a glass plate containing twisted nematic liquid crystal at the plate's Brewsters angle | Chikara Hashimoto, Atsushi Takamatsu, Hiroyuki Itoh | 1996-04-23 |
| 5496498 | Compensator for liquid crystal display | Shigeki Iida, Hiroyuki Itoh | 1996-03-05 |
| 5491001 | Method for producing viewing angle compensator for liquid crystal display | Hitoshi Mazaki, Hiroyuki Itoh | 1996-02-13 |
| 5472635 | Phase plate and liquid crystal display using same | Shigeki Iida, Hiroyuki Itoh, Yasuyuki Takiguchi, Akihiko Kanemoto, Haruo Iimura | 1995-12-05 |
| 5456867 | Viewing angle compensator for liquid crystal display | Hitoshi Mazaki, Hiroyuki Itoh | 1995-10-10 |
| 5391688 | Liquid crystalline polyesters | Hitoshi Mazaki, Iwane Shiozaki | 1995-02-21 |
| 5359443 | Process for producing heat-resistant optical element by heating liquid crystal polymer at polymerization temperature during or after orientation treatment | Hiroyuki Itoh | 1994-10-25 |
| 5326496 | Compensator for liquid crystal display | Shigeki Iida, Yasuyuki Takiguchi, Takamichi Enomoto | 1994-07-05 |
| 5288426 | Nonlinear optical materials | Hiroyuki Itoh, Takafumi Ishii, Tetsuo Satoh | 1994-02-22 |
| 5260109 | Method for polarizing light | Shigeki Iida, Yasuyuki Takiguchi, Takamichi Enomoto | 1993-11-09 |
| 5250214 | Liquid crystal color display device provided with a color filter film and an optical phase plate comprising liquid crystal polymer | Akihiko Kanemoto, Haruo Iimura, Yasuyuki Takiguchi, Shigeki Iida, Hiroyuki Ito | 1993-10-05 |
| 5230825 | Chiral smectic C liquid crystalline polyester | Takafumi Ishii, Hiroyuki Itoh | 1993-07-27 |