Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862441 | Carriage assembly | Tetsu Yamamoto | 1989-08-29 |
| 4823219 | Carriage recording head sandwiched by electromagnetic coil sections | Takaharu Ueda, Tetsu Yamamoto, Kiyosi Funai | 1989-04-18 |
| 4819106 | Head positioning assembly for magnetic disc apparatus | Takaharu Ueda, Kiyosi Funai, Tetsu Yamamoto | 1989-04-04 |
| 4819109 | Slidable carriage mount for disc memory apparatus | Sadao Okada, Tetsu Yamamoto | 1989-04-04 |