SN

Shinji Nagaoka

SK Seiko Koki Kabushiki Kaisha: 18 patents #3 of 27Top 15%
SC Seikosha Co.: 9 patents #33 of 312Top 15%
DI Daikin Industries: 6 patents #576 of 2,957Top 20%
NT NTT: 3 patents #1,627 of 4,871Top 35%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
📍 Yotsukaido, JP: #3 of 81 inventorsTop 4%
Overall (All Time): #89,780 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
4466727 Shutter control circuit equipped with a flash light control signal circuit Koji Sato 1984-08-21
4445029 Distance detector using a photopotentiometer and a continuous detecting system Koji Satoh 1984-04-24
4374615 Exposure control circuit for cameras equipped with self-timer Koji Satoh 1983-02-22
4359634 Automatic focusing device Takeo Saito, Yuzuru Takazawa, Takashi Segawa 1982-11-16
4353631 Exposure information input circuit for electric shutter Yuzuru Takazawa 1982-10-12
4316085 Automatic focusing adjustor device Takeo Saito, Hiroaki Ishida, Takashi Segawa, Yuzuru Takazawa 1982-02-16
4307949 Shutter control system having information circuit for introducing informations for flash photographing Yuzuru Takazawa 1981-12-29
4305649 Inhibit circuit for an electronic flash charge circuit Yuzuru Takazawa 1981-12-15
4275955 Shutter release interrupting system Kiyoshi Kitai, Yuzuru Takazawa 1981-06-30
4270851 Automatic film sensitivity setting system for camera Yuzuru Takazawa 1981-06-02
4267440 Focus detecting system Kiyoshi Kitai, Yuzuru Takazawa 1981-05-12
4229089 Automatic focusing device for camera Kiyoshi Kitai, Eiichi Onda, Tomoo Yonemoto 1980-10-21