Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7405030 | Imide compound and optical recording media made by using the same | Akira Ogiso, Hiroyoshi Shiozaki, Tsutomu Ishida, Hisashi Tsukahara, Koji Inoue +4 more | 2008-07-29 |
| 7332261 | Phthalocyanine compound, process for preparing the same, and optical recording medium containing the same | Kazuhiro Seino, Shinichi Nakagawa, Satoshi Kinoshita, Akihiro Kosaka, Hiroshi Terao +1 more | 2008-02-19 |
| 7094516 | Benzobisazole compound and optical recording medium containing the compound | Akira Ogiso, Shinobu Inoue, Hisashi Tsukahara, Taizo Nishimoto | 2006-08-22 |
| 6969764 | Optical recording medium and novel azaporphyrin compounds | Akira Ogiso, Shinobu Inoue, Taizo Nishimoto, Hisashi Tsukahara, Tadashi Koike +3 more | 2005-11-29 |
| 6965191 | Display filter, display apparatus, and method for production of the same | Katsuhiko Koike, Tomoyuki Okamura, Toshihisa Kitagawa, Hiroaki Saigo, Shin Fukuda +2 more | 2005-11-15 |
| 6758890 | Aqueous ink and process for producing dye | Yoriaki Matsuzaki, Kenichi Fujii, Osamu Kohgo, Hiroshi Naruse | 2004-07-06 |
| 6627288 | Optical recording medium and porphycene compound | Akira Ogiso, Shinobu Inoue, Hisashi Tsukahara, Taizo Nishimoto, Tadashi Koike | 2003-09-30 |
| 6479123 | Dipyrromethene-metal chelate compound and optical recording medium using thereof | Taizo Nishimoto, Hisashi Tsukahara, Shinobu Inoue, Akira Ogiso, Tadashi Koike | 2002-11-12 |
| 6355327 | Optical recording medium and dipyrromethene metal chelate compound for use therein | Taizo Nishimoto, Hisashi Tsukahara, Akira Ogiso, Kenichi Sugimoto, Kenji Mizoue +4 more | 2002-03-12 |
| 6162520 | Optical recording medium and dipyrromethene metal chelate compound for use therein | Taizo Nishimoto, Hisashi Tsukahara, Akira Ogiso, Kenichi Sugimoto, Kenji Mizoue +4 more | 2000-12-19 |
| 6106999 | Photosensitizer, visible light curable resin composition using the same, and use of the composition | Akira Ogiso, Taizo Nishimoto, Hisashi Tsukahara, Keisuke Takuma, Kenichi Sugimoto +3 more | 2000-08-22 |
| 6060606 | Dipyrromethene metal chelate compounds | Kenichi Sugimoto, Taizo Nishimoto, Hisashi Tsukahara, Takeshi Tsuda, Keisuke Takuma +1 more | 2000-05-09 |
| 5952477 | Azo compound and polarizing film | Akira Ogiso, Rihoko Imai, Hisato Itoh | 1999-09-14 |
| 5948593 | Optical recording medium | Kenichi Sugimoto, Taizo Nishimoto, Hisashi Tsukahara, Takeshi Tsuda, Keisuke Takuma +1 more | 1999-09-07 |
| 5916488 | Polyimide resin compositions for optical filters | Keisuke Takuma, Kazuhiro Seino, Shoji Tamai, Wataru Yamashita | 1999-06-29 |
| 5868968 | Polyimide resin compositions for optical filters | Keisuke Takuma, Kazuhiro Seino, Shoji Tamai, Wataru Yamashita | 1999-02-09 |
| 5855979 | Optical recording medium | Hideki Umehara, Jun TOKUHIRO, Yuji Inatomi, Tomoyoshi Sasakawa, Kenichi Sugimoto +2 more | 1999-01-05 |
| 5750599 | Quinophthalone compounds and polarizing films using same | Akira Ogiso, Rihoko Imai, Ryu Oi, Yoriaki Matsuzaki, Hisato Itoh | 1998-05-12 |
| 5751483 | Color filter having polarizability | Hisato Itoh, Akira Ogiso, Rihoko Imai | 1998-05-12 |
| 5739298 | Water-soluble azo compounds | Akira Ogiso, Rihoko Imai, Hisato Itoh | 1998-04-14 |
| 5693396 | Phthalocyanine compounds and optical recording media comprising them | Kenichi Sugimoto, Taizo Nishimoto, Takeshi Tsuda, Keisuke Takuma | 1997-12-02 |
| 5672462 | Optical recording medium | Keisuke Takuma, Kenichi Sugimoto, Taizo Nishimoto, Takeshi Tsuda, Hideki Umehara | 1997-09-30 |
| 5659039 | Quinophthalone compounds | Akira Ogiso, Rihoko Imai, Ryu Oi, Yoriaki Matsuzaki, Hisato Itoh | 1997-08-19 |
| 5658707 | Optical recording media | Keisuke Takuma, Masatoshi Yanagimachi, Hideki Umehara, Yoshiteru Taniguchi, Sumio Hirose | 1997-08-19 |
| 5618868 | Polarizing film of a hydrophilic polymer film containing a novel azo compound | Akira Ogiso, Rihoko Imai, Hisato Itoh | 1997-04-08 |