Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7094516 | Benzobisazole compound and optical recording medium containing the compound | Akira Ogiso, Hisashi Tsukahara, Taizo Nishimoto, Tsutami Misawa | 2006-08-22 |
| 6969764 | Optical recording medium and novel azaporphyrin compounds | Akira Ogiso, Taizo Nishimoto, Hisashi Tsukahara, Tsutami Misawa, Tadashi Koike +3 more | 2005-11-29 |
| 6627288 | Optical recording medium and porphycene compound | Akira Ogiso, Hisashi Tsukahara, Taizo Nishimoto, Tsutami Misawa, Tadashi Koike | 2003-09-30 |
| 6479123 | Dipyrromethene-metal chelate compound and optical recording medium using thereof | Taizo Nishimoto, Hisashi Tsukahara, Akira Ogiso, Tsutami Misawa, Tadashi Koike | 2002-11-12 |