Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809091 | Disk apparatus | Shyoichi Miyazawa, Satoshi Kawamura, Shoichiro Tohyama, Akira Ishibashi, Junichi Ideda | 1989-02-28 |
| 4691154 | Stepping motor control system | Masahiko Sato, Akira Ishibashi, Tsurumasa Matsushita | 1987-09-01 |