Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959672 | Motor-driven film winder | Tsunemi Yoshino, Naoyuki Furutsuka, Naofumi Aoki, Hiroshi Watanabe | 1990-09-25 |
| 4472039 | Photographic lens device having a step motor mounted on the lens barrel | Hiroshi Iwata, Toshitsugu Kashihara, Tsunemi Yoshino | 1984-09-18 |
| 4461560 | Photographic information display device | Tsunemi Yoshino, Hiroshi Iwata, Toshitsugu Kashihara | 1984-07-24 |
| 4443087 | Focus state indicator | Toshitsugu Kashihara, Tsunemi Yoshino, Hiroshi Iwata | 1984-04-17 |
| 4423940 | Photographic equipment | Toshitsugu Kashihara, Hiroshi Iwata, Tsunemi Yoshino | 1984-01-03 |
| 4394077 | Device for detecting sharp focusing | Tsunemi Yoshino, Toshitsugu Kashihara, Hiroshi Iwata | 1983-07-19 |
| 4371245 | Photographing lens system with focus informing means | Hiroshi Iwata, Tsunemi Yoshino, Toshitsugu Kashihara | 1983-02-01 |
| 4352546 | Camera selectively settable to either standard photographic mode or supertelephotographic mode | Hiroshi Iwata, Tetsuo Yamaoka | 1982-10-05 |
| 4341449 | Camera capable of standard and close-up exposures | Hiroshi Iwata | 1982-07-27 |
| 4336985 | Camera with macro-photographic system | Hiroshi Iwata, Tetsuo Yamaoka | 1982-06-29 |
| 4264175 | Focusing device in camera equipped with both standard and telephoto lenses | Toshinori Hayata, Kunio Tsuji | 1981-04-28 |