OM

Osamu Maida

NK Nippon Kogaku K.K.: 41 patents #1 of 382Top 1%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
Overall (All Time): #74,141 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
4370044 Electric wind-up device of a camera 1983-01-25
4365236 Digital display circuit displayable in analog fashion 1982-12-21
4354750 Flash unit having a flash output control device Hiroshi Hasegawa 1982-10-19
4353633 Camera with motor drive device 1982-10-12
4351600 Flash output control failure warning device of an automatic flash output control speed light Hiroshi Hasegawa 1982-09-28
4350422 Battery checking device of a motor driven camera 1982-09-21
4340289 Erroneous exposure preventing device 1982-07-20
4334745 Exposure indicating device for a camera utilizing analog-digital converter 1982-06-15
4329036 Power supply circuit for camera 1982-05-11
4322149 Electric driving device of a camera 1982-03-30
4310606 Battery voltage checking device 1982-01-12
4294525 Camera having a digital exposure value display device 1981-10-13
4287549 Circuit for charging a release magnet energizing capacitor in a camera Hiroshi Hasegawa 1981-09-01
4281912 Control circuit for camera or motor drive device 1981-08-04
4262282 Indicator arrangement utilizing analog-digital converter 1981-04-14
4253750 Power supply control apparatus for camera 1981-03-03
4190340 Motor drive apparatus for photographic camera 1980-02-26