Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750233 | Magnetic recording medium | Hiroshi Ogawa, Shinichi Kato | 1998-05-12 |
| 4533968 | Ceramic guides for tape-like materials and process for the production thereof | Kengo Oishi, Motohiko Yagi | 1985-08-06 |