Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617391 | Optical recording and reproducing system | Seiji Ono, Kenmei Masuda, Hiroyuki Nagatomo | 1997-04-01 |
| 5539710 | Video optical disk system compatible with both read only and writable optical disks having the same recording format | Nobuhiro Tokushuku, Masaaki Kurebayashi, Kouichi Moritani, Hitoshi Yanagihara, Katsuyuki Tanaka +2 more | 1996-07-23 |
| 4980788 | Thin-film-type magnetic head device | Masamichi Yamada, Michiyori Miura | 1990-12-25 |
| 4799118 | Thin film magnetic head | Masamichi Yamada, Masaaki Kurebayashi, Masakatsu Saito, Hitoshi Yanagihara, Toshio Tsuchiya | 1989-01-17 |
| 4752850 | Multi-track magnetic thin film heads | Masamichi Yamada, Masakatsu Saito, Takumi Sasaki | 1988-06-21 |
| 4642708 | Magnetic recording and reproducing apparatus | Takashi Furuhata, Katsuo Mohri | 1987-02-10 |
| 4476509 | Thin film magnetic head and method of manufacturing the same | Kanji Kawano, Kohji Tamura, Mitsuo Abe | 1984-10-09 |