Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354908 | Process for the production of magnetic recording members | Ryuji Shirahata, Tatsuji Kitamoto, Yasuo Tamai | 1982-10-19 |
| 4315032 | Process for preparation of adjacently disubstituted ketones | Ryoji Noyori, Seizi Kurozumi | 1982-02-09 |
| 4309471 | Magnetic audio-recording tape | Masashi Aonuma, Yasuo Tamai | 1982-01-05 |