Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10051190 | Interchangeable lens, camera system, imaging apparatus, control method of camera system, and control method of imaging apparatus in which the size of an image circle varies inversely to the focal distance | Hideaki Yoshida, Tetsuya Toyoda, Shigeru Kato | 2018-08-14 |
| 6582269 | Lamp apparatus and lamp apparatus manufacturing method | Kenji Sakai, Sumio Hashimoto, Hisao Hosoya | 2003-06-24 |
| 5629916 | Optical information reproducing device forming light spot on photo-detector with major axis along push-pull signal detection | — | 1997-05-13 |
| 5513121 | Optical head | Ken Sugawara | 1996-04-30 |
| 5495464 | Optical data recording/reproducing apparatus | Kazuhiro Fujikawa, Nobuo Miyairi, Yasuhiro Miyazaki, Takashi Ogata | 1996-02-27 |
| 5307335 | Optical information reading apparatus with multi film elements to compensate for wavelength fluctuation | — | 1994-04-26 |