Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644412 | Video signal recording and reproducing apparatus | Naomichi Nishimoto, Akira Hirota | 1987-02-17 |
| 4597008 | Color burst signal improving circuit | — | 1986-06-24 |
| 4536795 | Video memory device | Akira Hirota, Hiroyuki Miyahara | 1985-08-20 |
| 4295171 | System for controlling rotation of rotating structure | Akira Hirota, Kazutaka Ashida | 1981-10-13 |