Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017949 | Table assembly for pattern drawing apparatus | Hiroaki Andoh, Michio Ohshima, Yuji Matsui, Takashi Okuyama, Toshitaka Yoshimura +9 more | 1991-05-21 |
| 4735493 | Wipe-angle zoom lens system | — | 1988-04-05 |
| 4726667 | Focusing method in optical lens system with variable focal length | — | 1988-02-23 |
| 4550987 | Small size telephoto lens | — | 1985-11-05 |
| 4412725 | Rear stop diaphragm zoom lens | Sadao Okudaira | 1983-11-01 |
| 4384770 | Focus detecting device | Seijiro Tokutomi, Ryota Ogawa, Michiro Ohishi, Kazuo Nakamura, Masao Jyojiki | 1983-05-24 |
| 4345821 | Zoom lens | — | 1982-08-24 |
| 4345822 | Telephoto zoom lens | — | 1982-08-24 |
| 4258989 | Focus detecting device | Seijiro Tokutomi, Ryota Ogawa, Michiro Ohishi, Kazuo Nakamura, Masao Jyojiki | 1981-03-31 |
| 4240700 | Wide angle zoom lens having a high variation ratio | Ryota Ogawa, Sadao Okudaira | 1980-12-23 |
| 4185893 | Zoom lenses | Ryota Ogawa, Sadao Okudaira, Takayuki Itoh | 1980-01-29 |