Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6703603 | Controller for optical scanner | Hiromu Hirai, Kichio Nakajima, Atsushi Sakamoto, Yaichi Okubo, Masahiro Oishi | 2004-03-09 |
| 5229896 | Disk drive and method of controlling the same | Hiromu Hirai, Haruaki Otsuki, Yoosuke Hamada | 1993-07-20 |
| 5164931 | Method and apparatus for control of positioning | Takashi Yamaguchi, Hiromu Hirai | 1992-11-17 |