Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10533268 | Sealing material composition and gland packing containing the sealing material composition | Kazuyoshi Sato, Ryoji Hamaguchi, Masaru Fujiwara, Hiroyoshi Nakamitsu | 2020-01-14 |
| 10261227 | Method for producing retardation film | Taku Hatano, Shunsuke Yamanaka | 2019-04-16 |
| 9897849 | Protective film for polarizing plate | Masanori Yoshihara, Tetsuya Toyoshima | 2018-02-20 |
| 9488866 | Optical laminate, optical element and liquid crystal display device | Shunsuke Yamanaka | 2016-11-08 |
| 9050763 | Method for producing retardation film | Taku Hatano, Shunsuke Yamanaka | 2015-06-09 |
| 8223304 | Liquid crystal display device | Motohiro Itadani, Shuhei Okude, Shunsuke Yamanaka | 2012-07-17 |
| 8202610 | Protective film for polarizing plate | Masanori Yoshihara, Tetsuya Toyoshima | 2012-06-19 |
| 8134666 | Liquid crystal display device | Motohiro Itadani, Shuhei Okude, Shunsuke Yamanaka | 2012-03-13 |
| 7998563 | Protective film for polarizing plate | Masanori Yoshihara, Tetsuya Toyoshima | 2011-08-16 |
| 7964251 | Liquid crystal display device | Takeyuki Yamaki, Hiroshi Yokogawa, Akira Tsujimoto, Ryozo Fukuzaki, Tetsuya Toyoshima +1 more | 2011-06-21 |
| 7964254 | Optical laminate, optical element and liquid crystal display device | Shunsuke Yamanaka | 2011-06-21 |
| 7897209 | Apparatus and method for producing aligned carbon-nanotube aggregates | Akiyoshi Shibuya, Keiichi Kawata, Kenji Hata, Motoo Yumura | 2011-03-01 |
| 7872803 | Grid polarizing film, method for producing the film, optical laminate, method for producing the laminate, and liquid crystal display | Mitsugu Uejima, Toshihide Murakami, Akiyoshi Shibuya, Megumi Fujita, Masahiko Hayashi | 2011-01-18 |
| 7692747 | In-plane switching mode liquid crystal display device having a biaxial optically anisotropic member | Motohiro Itadani, Shuhei Okude, Shunsuke Yamanaka | 2010-04-06 |
| 7667793 | Liquid crystal display device | Motohiro Itadani, Shuhei Okude, Shunsuke Yamanaka | 2010-02-23 |
| 7638205 | Optical laminate film and method for producing same | Katsuhiro Kurosaki, Toshihide Murakami | 2009-12-29 |
| 7639330 | Liquid crystal display device | Motohiro Itadani, Shuhei Okude, Shunsuke Yamanaka | 2009-12-29 |
| 7354632 | Optical laminate | Toshihide Murakami | 2008-04-08 |
| 7285323 | Optical multilayer film, polarizing plate and optical product | Atsushi Sone, Tetsuya Toyoshima | 2007-10-23 |
| 6853423 | Quarter wave plate comprising two optically anisotropic layers | Ken Kawata, Mitsuyoshi Ichihashi | 2005-02-08 |
| 6812983 | RETARDATION PLATE AND FABRICATION METHOD THEREOF, AND PLATE FOR CIRCULARLY POLARIZING LIGHT, ½ WAVE PLATE AND REFLECTION-TYPE LIQUID CRYSTAL DISPLAY DEVICE UTILIZING THE RETARDATION PLATE | — | 2004-11-02 |
| 6778237 | Polarizing element | Mitsuyoshi Ichihashi | 2004-08-17 |
| 6667794 | Collimator utilizing wavelength selective reflection and backlight system | Fumihiko Mochizuki, Kenichi Nakagawa, Mitsuyoshi Ichihashi | 2003-12-23 |
| 6593984 | Quarter wave plate comprising two optically anisotropic layers | Ken Kawata, Mitsuyoshi Ichihashi | 2003-07-15 |
| 6519017 | Liquid crystal display comprising liquid crystal cell, linearly polarizing membrane, cholesteric liquid crystal layer and quarter wave plate | Mitsuyoshi Ichihashi, Ken Kawata | 2003-02-11 |