Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819108 | Apparatus for positioning magnetic head | Seiichi Hayashi | 1989-04-04 |
| 4777551 | Magnetic head supporting mechanism for flexible double-sided magnetic disks | Seiichi Hayashi, Haruyuki Kaito, Osamu Isoo, Mitsuo Igari, Masahiko Saitoh +2 more | 1988-10-11 |
| 4739429 | Magnetic head and support therefore | Seiichi Hayashi | 1988-04-19 |
| 4675756 | Magnetic recording and reproducing apparatus | Masahiko Saitoh, Seiichi Hayashi, Yasunori Orihara | 1987-06-23 |
| 4658315 | Magnetic head mounting device of magnetic recording apparatus | Seiichi Hayashi, Haruyuki Kaito, Akira Tatsumi | 1987-04-14 |