Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468713 | Phthalocyanine compounds, process for producing the same, and near infrared absorbent comprising the same | Hiroshi Terao, Shigeo Fujita | 2002-10-22 |
| 6355327 | Optical recording medium and dipyrromethene metal chelate compound for use therein | Tsutami Misawa, Taizo Nishimoto, Hisashi Tsukahara, Akira Ogiso, Kenichi Sugimoto +4 more | 2002-03-12 |