Issued Patents All Time
Showing 451–462 of 462 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4286855 | Electromagnetic releasing device | — | 1981-09-01 |
| 4287549 | Circuit for charging a release magnet energizing capacitor in a camera | Osamu Maida | 1981-09-01 |
| 4285171 | Abrasive flap drum | Aleck Block | 1981-08-25 |
| 4265622 | Foot controller for electrical dental instruments | — | 1981-05-05 |
| 4258992 | Automatic control device for a camera having an electromagnetic release device | — | 1981-03-31 |
| 4239729 | Oxygenator | Hiromichi Fukasawa | 1980-12-16 |
| 4228381 | Flash tube apparatus with delayed emission | — | 1980-10-14 |
| 4217737 | Abrasive flap drum | — | 1980-08-19 |
| 4199236 | Synchronizing speed warning apparatus for camera | Tetsuro Goto | 1980-04-22 |
| 4196997 | Interchangeable lens for a camera | Sachio Ohmori, Yoshiro Kotaka | 1980-04-08 |
| 4193677 | Warning circuit in an auto-controlled flashlight photographing device | Kunihiro Nakano | 1980-03-18 |
| 4189219 | Control system for flash photographing apparatus | Yoshiaki Ohtsubo, Sakuji Watanabe, Kouichi Takahata, deceased | 1980-02-19 |