Issued Patents All Time
Showing 426–450 of 462 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673349 | High temperature surface combustion burner | Fumio Abe, Tadashi Fujita, Makoto Maeda | 1987-06-16 |
| 4668069 | Exposure control device in a camera | — | 1987-05-26 |
| 4659879 | Key switch | — | 1987-04-21 |
| 4643558 | Electronic power supply | — | 1987-02-17 |
| 4618752 | Gas-insulated interrupter | Yukio Ozaki, Osamu Fujisawa, Ryukichi Sakai | 1986-10-21 |
| 4566994 | Flame-retardant electrical insulating oil composition | Akira Shinzawa, Yoshiki Kohno | 1986-01-28 |
| 4523830 | Automatic control type electronic flash apparatus | Yoshikazu Iida, Nobuyoshi Hagyuda | 1985-06-18 |
| 4519683 | Electronic flash apparatus | Nobuyoshi Hagyuda, Yoshikazu Iida, Osamu Maida | 1985-05-28 |
| 4509843 | Apparatus for controlling a micro-processor unit in a camera | — | 1985-04-09 |
| 4494851 | Display unit for flashlight photography | Osamu Maida, Nobuyoshi Hagyuda, Yoshikazu Iida | 1985-01-22 |
| 4491404 | Flash photography system | Yoshiyuki Nakano, Yoshiaki Tanabe | 1985-01-01 |
| 4489993 | CRT mounting structure | Yoshitaka Tsutsui, Yoshinori Horikawa, Seii Miyakawa | 1984-12-25 |
| 4482932 | Keyboard switch | — | 1984-11-13 |
| 4450506 | Automatic light-quantity-control speed light | — | 1984-05-22 |
| RE31567 | Automatic control indication device in an automatic control type electronic flash unit | — | 1984-04-24 |
| 4439953 | Abrasive disc holder | Aleck Block | 1984-04-03 |
| 4405911 | Electromagnetic relay | Moriyasu Negita, Yoshiaki Kamiya, Masaru Tamura, Yuji Kinoshita | 1983-09-20 |
| 4389424 | Production of semiprocessed fried potato pieces for preservation at room temperature | — | 1983-06-21 |
| 4388068 | Metal heating furnace | Osamu Takeuchi, Susumu Izumi, Naoki Otsuki | 1983-06-14 |
| 4376095 | Hollow fiber-type artificial lung having enclosed heat exchanger | — | 1983-03-08 |
| 4359275 | Single lens reflex camera system capable of TTL flash output control | — | 1982-11-16 |
| 4354750 | Flash unit having a flash output control device | Osamu Maida | 1982-10-19 |
| 4351600 | Flash output control failure warning device of an automatic flash output control speed light | Osamu Maida | 1982-09-28 |
| 4304478 | Information introducing device of an electronic flash unit | Akira Katayama | 1981-12-08 |
| 4298263 | Electromagnetic release device in a camera | — | 1981-11-03 |