Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403236 | Polymer light emitting device | Toshihiro Ohnishi, Shuji Doi | 2002-06-11 |
| 6403237 | Polymeric fluorescent substance and organic electroluminescence device | Masamitsu Ishitobi, Makoto Kitano | 2002-06-11 |
| 6207301 | Polymer fluorescent substance and organic electroluminescence device | Toshihiro Ohnishi, Shuji Doi | 2001-03-27 |
| 5980781 | Polymeric fluorescent substance and organic electroluminescence device | Shuji Doi, Toshihiro Ohnishi, Masamitsu Ishitobi | 1999-11-09 |
| 5821002 | Polymeric fluorescent substance, production process thereof and organic electrolumescence device | Toshihiro Ohnishi, Shuji Doi, Makiko OHSHIMA | 1998-10-13 |
| 5759709 | Polymeric fluorescent substance and organic electroluminescence device | Shuji Doi, Toshihiro Ohnishi, Masamitsu Ishitobi | 1998-06-02 |
| 5736066 | Optically anisotropic film | Toshihiro Ohnishi, Michitaka Morikawa, Masato Kuwabara | 1998-04-07 |
| 5726457 | Organic electroluminescence device | Tsuyoshi Nakano, Shuji Doi, Toshihiro Ohnishi, Yasushi Iyechika | 1998-03-10 |
| 5693253 | Optically anisotropic material, process for producing it, and retardation plate and liquid crystal device using same | Toshihiro Ohnishi, Masato Kuwabara, Koji Higashi, Makoto Namioka, Akiko Shimizu | 1997-12-02 |
| 5688436 | Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same | Toshihiro Ohnishi, Masato Kuwabara, Koji Higashi, Makoto Namioka, Akiko Shimizu | 1997-11-18 |
| 5601884 | Retardation film and production thereof | Toshihiro Ohnishi, Masato Kuwabara | 1997-02-11 |
| 5589320 | Polymeric fluorescent substance and organic electroluminescence devices using the same | Toshihiro Ohnishi, Shuji Doi | 1996-12-31 |
| 5543079 | Polymeric fluorescent substance and organic electroluminescence devices using the same | Toshihiro Ohnishi, Shuji Doi | 1996-08-06 |
| 5317169 | Organic electroluminescence device | Tsuyoshi Nakano, Shuji Doi, Toshihiro Ohnishi, Yasushi Iyechika | 1994-05-31 |
| 5064572 | Poly (long-chain nuclear substituted phenylene vinylene), precursor therefor and highly conductive composition thereof | Toshihiro Ohnishi, Tsuyoshi Nakano | 1991-11-12 |
| 5053166 | Hetero-arylene vinylene polymer and highly conductive composition thereof | Ichiki Murase, Toshihiro Ohnishi | 1991-10-01 |
| 4868284 | Process for producing stretched molded articles of conjugated polymers and highly conductive compositions of said polymers | Ichiki Murase, Toshihiro Ohnishi | 1989-09-19 |
| 4791177 | Conjugated polymer film and pyrolyzed product thereof | Ichiki Murase, Toshihiro Ohnishi | 1988-12-13 |
| 4626588 | Conjugated polymer film and pyrolyzed product thereof | Ichiki Murase, Toshihiro Ohnishi | 1986-12-02 |
| 4599193 | Highly electroconductive pyrolyzed product retaining its original shape and composition formed therefrom | Ichiki Murase, Toshihiro Ohnishi | 1986-07-08 |
| 4528118 | Highly electroconductive conjugated polymer composition and process for producing the same | Ichiki Murase, Toshihiro Ohnishi | 1985-07-09 |
| 4336347 | Process for production of phenolic resin modified with liquid polybutadiene | Masakazu Sagoh, Seimei Yasui | 1982-06-22 |
| 4291148 | Process for preparation of a phenolic-polybutadiene-HCHO resin composition useful for laminated sheet | Seimei Yasui, Masakazu Sagou, Yoshiki Toyoshima, Junzo Saito | 1981-09-22 |
| 4259395 | Process for preparation of resin composition useful for laminated sheet | Seimei Yasui, Yoshinobu Matsuda, Masakazu Sagou | 1981-03-31 |