Issued Patents All Time
Showing 101–107 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343831 | Process for producing magnetic recording medium | Nobuo Tsuji, Goro Akashi, Yasuyuki Yamada | 1982-08-10 |
| 4337288 | Magnetic recording medium | Haruo Takenaka, Eiichi Tadokoro | 1982-06-29 |
| 4324177 | Calender roll for supercalender | Nobuo Tsuji, Hiromi Nakahara, Eiichi Tadokoro, Keiji Tanaka, Isao Yamamoto | 1982-04-13 |
| 4310599 | Magnetic recording element | Goro Akashi | 1982-01-12 |
| 4275108 | Leader or trailer tape for a magnetic tape | Nobutana Yamaguchi, Satoru Takayama, Masahiro Utumi | 1981-06-23 |
| 4273797 | Method of detecting pinholes in a magnetic recording medium | Goro Akashi, Yasuyuki Yamada, Nobutaka Yamaguchi | 1981-06-16 |
| 4187345 | Magnetic recording medium | Nobutaka Yamaguchi, Satoru Takayama | 1980-02-05 |