Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5953178 | Magnetic disk apparatus | Akio Takatsuka, Hideaki Amano, Katsuhiro Tsuneta, Toshiaki Tsuyoshi, Haruhiko Hosokawa +5 more | 1999-09-14 |
| 5657176 | Method and apparatus for optimizing the recording and reproducing of information from magnetic disks | Yoshihiro Moribe, Toshiaki Tsuyoshi, Sumio Obata | 1997-08-12 |
| 5337198 | Digital magnetic writing and reading apparatus | Nobumasa Nishiyama, Toshiaki Tsuyoshi, Hajime Aoi, Masaya Tanaka, Kazuhisa Shiraishi | 1994-08-09 |