Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479123 | Dipyrromethene-metal chelate compound and optical recording medium using thereof | Hisashi Tsukahara, Shinobu Inoue, Akira Ogiso, Tsutami Misawa, Tadashi Koike | 2002-11-12 |
| 6355327 | Optical recording medium and dipyrromethene metal chelate compound for use therein | Tsutami Misawa, Hisashi Tsukahara, Akira Ogiso, Kenichi Sugimoto, Kenji Mizoue +4 more | 2002-03-12 |