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, Masaaki Suzuki | 1982-10-19 |
| 4320159 | Magnetic recording medium | Hiroshi Ogawa, Hiromi Nakahara | 1982-03-16 |
| 4309471 | Magnetic audio-recording tape | Masaaki Suzuki, Masashi Aonuma | 1982-01-05 |