Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975726 | Automatic focusing apparatus | Ryuichiro Kuga, Masayuki Yoneyama, Yoshiaki Hirao | 1990-12-04 |
| 4849813 | Video camera with high-speed scanning | Yoshiaki Hirao, Ryuichiro Kuga, Yoshitomi Nagaoka | 1989-07-18 |