Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696758 | Optical recording media | Masatoshi Yanagimachi, Sumio Hirose, Yoshiteru Taniguchi | 1997-12-09 |
| 5672462 | Optical recording medium | Keisuke Takuma, Tsutami Misawa, Kenichi Sugimoto, Taizo Nishimoto, Takeshi Tsuda | 1997-09-30 |
| 5658707 | Optical recording media | Keisuke Takuma, Tsutami Misawa, Masatoshi Yanagimachi, Yoshiteru Taniguchi, Sumio Hirose | 1997-08-19 |
| 5646273 | Phthalocyanine compound and optical recording medium containing it | Takahisa Oguchi, Kenichi Sugimoto, Ryu Oi, Hisato Itoh | 1997-07-08 |
| 5633106 | Optical recording media and a method of recording and reproducing information | Shin Aihara, Masatoshi Yanagimachi, Yoshiteru Taniguchi, Sumio Hirose | 1997-05-27 |