Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982218 | Camera | Takayuki Tsuboi, Hiroshi Maeno, Yasuhiko Shiomi | 1991-01-01 |
| 4935764 | Stepping drive unit for camera | Takayuki Tsuboi, Yasuhik Shiomi | 1990-06-19 |
| 4906569 | Process for isolating and recovering erthritol from culture medium containing the same | Toshihiro Maeda, Takashi Kombu | 1990-03-06 |
| 4870439 | Focal length varying device for camera | Takayuki Tsuboi, Hiroshi Maeno, Yasuhiko Shiomi | 1989-09-26 |
| 4862202 | Magnification change-over device for camera | Takayuki Tsuboi, Yoshihiro Harunari, Yasuhisa Sato, Yasuyuki Yamada | 1989-08-29 |
| 4840466 | Changeable magnification optical system | Yasuyuki Yamada | 1989-06-20 |
| D298760 | Accessory mount for a camera | Michio Yoshida | 1988-11-29 |
| D298761 | Lens cap | Michio Yoshida | 1988-11-29 |
| D298338 | Range finding device for close-up | Michio Yoshida | 1988-11-01 |
| D298260 | Range finding device for close-up | Michio Yoshida | 1988-10-25 |
| D297545 | Close-up lens | Nobuhiro Ago, Michio Yoshida | 1988-09-06 |
| 4658405 | Radio communication system | Hiroyuki Yazuka | 1987-04-14 |
| 4584692 | Data transmitting-receiving system | Hiroyuki Yazuka | 1986-04-22 |