Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5270890 | Helical scan type rotary head apparatus | Daiichirou Katou, Takuji Sekiguchi, Toshihiko Okina | 1993-12-14 |
| 5206771 | Tape drive mechanism | Daiichirou Katou, Tamotsu Mitsuyasu, Kazuo Abe, Takuji Sekiguchi, Hitoshi Yanagisawa +3 more | 1993-04-27 |