Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6081391 | Lens barrel | Takeshi Ito, Shigeo Hayashi | 2000-06-27 |
| 6072643 | Lens barrel | Takeshi Ito, Shigeo Hayashi | 2000-06-06 |
| 5818647 | Lens barrel | Takeshi Ito, Shigeo Hayashi | 1998-10-06 |