Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917846 | Method of manufacturing a plurality of rotational members | Shigeru Kamata | 1990-04-17 |
| 4822138 | Lens tube unit and method for producing the same | — | 1989-04-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917846 | Method of manufacturing a plurality of rotational members | Shigeru Kamata | 1990-04-17 |
| 4822138 | Lens tube unit and method for producing the same | — | 1989-04-18 |