Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4734480 | Radiation curable resin | Nobukazu Kotera, Yasuo Yoshinaka, Shinpei Yamamoto, Hideyuki Ohashi, Kiyokazu Oiyama | 1988-03-29 |
| 4734330 | Magnetic recording medium | Kiyokazu Oiyama, Hiroshi Yoshioka, Ichiro Ono | 1988-03-29 |
| 4656089 | Magnetic recording medium | Masakazu Muroyama, Masayoshi Sugiyama, Akira Hashimoto | 1987-04-07 |
| 4637959 | Magnetic recording medium | Masashi Somezawa, Kiyokazu Oiyama | 1987-01-20 |
| 4634633 | Magnetic recording medium | Masashi Somezawa, Kiyokazu Oiyama | 1987-01-06 |
| 4529661 | Magnetic recording medium | Akira Hashimoto | 1985-07-16 |
| 4521486 | Magnetic recording medium | Masashi Somezawa, Akira Hashimoto | 1985-06-04 |
| 4434210 | Magnetic recording medium | Kaoru Nakajima, Masashi Somezawa | 1984-02-28 |
| 4400498 | Thermoplastic polyurethane resins | Shin Konishi, Mitsuhiro Yoshida, Masatake Katagiri, Masashi Somezawa, Akira Hashimoto | 1983-08-23 |
| 4368238 | Magnetic recording media | Masashi Somezawa, Akira Hashimoto | 1983-01-11 |