Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003423 | Vertical recording magnetic head | Hiroyuki Yoshimori, Yoshio Fukuda, Hiroyuki Abe, Hiroyuki Watanabe, Makoto Koike | 1991-03-26 |
| 4998175 | Transducer-to-medium stabilizing device having a static pressure releasing arrangement for maintaining the transducer in a stable contact relationship with a recording medium | Hiroyuki Yoshimori, Akira Katoh, Shinichi Harada | 1991-03-05 |
| 4764833 | Perpendicular magnetic head | Hiroyuki Yamamoto | 1988-08-16 |
| 4703380 | Perpendicular magnetic head | Hiroyuki Yamamoto, Yutaka Yunoki | 1987-10-27 |
| 4642711 | Video tape recorder including vertical recording heads | Yutaka Yunoki, Kenji Kimura, Akira Kato | 1987-02-10 |
| 4436600 | Method for treatment of copper anodes to be electrorefined | Mitsuo Katoh | 1984-03-13 |