Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809885 | Lens and bonded body of optical component | Kazuo Sakamoto, Reikou Fukazaki, Hisashi Inamura | 2004-10-26 |
| 4621889 | Camera filter | Yuji Nakajima | 1986-11-11 |
| 4468102 | Lens shade | — | 1984-08-28 |