Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672395 | Optical fungicide-treated information recording and reproducing medium | Kazuo Arai, Shinichi Nishi, Yasushi Kawaguchi, Kiyomitsu Mine | 1987-06-09 |
| 4536471 | Optical information recording medium | Shinichi Nishi, Fumio Shimada, Toshiaki Takahashi | 1985-08-20 |