Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194992 | Lens mount assembly | Toshikatsu Atsuta | 1993-03-16 |
| 5037187 | Zoom lens mount assembly | Akira Oda, Seiji Kameoka, Nobuhiro Sakai, Kanji Nakao, Toshikatsu Atsuta | 1991-08-06 |