Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825315 | Magnetic disc driving device | Etsurou Hirose, Toshio Tsubaki, Takeshi Tokunaga | 1989-04-25 |
| 4777551 | Magnetic head supporting mechanism for flexible double-sided magnetic disks | Gen Seki, Seiichi Hayashi, Haruyuki Kaito, Mitsuo Igari, Masahiko Saitoh +2 more | 1988-10-11 |
| 4680058 | White ink composition for ink-jet printing | Ryuichi Shimizu, Yasuki Mori, Tsuneaki Kawanishi, Hirosada Morishita, Tooru Hosoda | 1987-07-14 |
| 4379303 | Ink-jet recording head apparatus | Mitsuhiro Nakagaki, Shinji Matsuoka, Takahiro Yamada | 1983-04-05 |