Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698195 | Process for preparing biaxially drawn polyamide films | Tsuguo Okumura, Naomichi Yamagishi, Kazuharu Abe, Kenji Mori | 1987-10-06 |
| 4656089 | Magnetic recording medium | Yoshinobu Ninomiya, Masakazu Muroyama, Akira Hashimoto | 1987-04-07 |
| 4634840 | Method of heating thermoplastic resin sheet or film | Naomichi Yamagishi, Kenji Mori, Tsuguo Okumura, Tatsufumi Hiratsuka | 1987-01-06 |
| 4612244 | Magnetic recording medium | Koji Kaneda | 1986-09-16 |
| 4298881 | Semiconductor device with double moat and double channel stoppers | Shuroku Sakurada, Yoichi Nakashima, Isao Kojima, Hideyuki Yagi, Tadaaki Kariya | 1981-11-03 |