Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4717960 | Automatic diaphragm control device of variable photometry type used in objective for television camera | Terumi Ogasawara | 1988-01-05 |
| 4562476 | Automatic diaphragm control device for use IWT CCTV camera | Terumi Ogasawara, Masayuki Arai | 1985-12-31 |
| 4562477 | Automatic diaphragm control device for use with CCTV camera | Terumi Ogasawara, Masayuki Arai | 1985-12-31 |
| 4547808 | Photometric circuit incorporated in objective provided with automatic diaphragm for closed circuit television (CCTV) camera | Masayuki Arai, Terumi Ogasawara | 1985-10-15 |
| 4542410 | Automatic diaphragm control device of objective provided with automatic diaphragm for closed circuit television (CCTV) camera | Masayuki Arai, Terumi Ogasawara | 1985-09-17 |
| 4453185 | Automatic diaphragm control device for a closed circuit television camera | Terumi Ogasawara | 1984-06-05 |