Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373404 | Helical scan type rotary head drum unit | Hitoshi Yanagisawa, Takuji Sekiguchi, Toshihiko Okina, Kazuo Kobayashi | 1994-12-13 |
| 5270890 | Helical scan type rotary head apparatus | Takuji Sekiguchi, Toshihiko Okina, Tsuneharu Hashizume | 1993-12-14 |
| 5206771 | Tape drive mechanism | Tamotsu Mitsuyasu, Kazuo Abe, Takuji Sekiguchi, Hitoshi Yanagisawa, Tsuneharu Hashizume +3 more | 1993-04-27 |