SY

Seiichi Yasukawa

NI Nikon: 10 patents #10 of 390Top 3%
Overall (1997): #494 of 185,788Top 1%
10
Patents 1997

Issued Patents 1997

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5694625 Camera provided with an automatic focus adjusting apparatus Toshimi Watanabe 1997-12-02
5692118 Autofocus control device having moving body tracking control 1997-11-25
5687277 Motor drive control device which uses pulse width modulation to control the speed of a motor Makoto Matsuzaki 1997-11-11
5678078 Camera capable of communicating with an external device via communication contact points arranged in a cartridge compartment 1997-10-14
5652929 Camera having a through-the-lens automatic light adjustment control device 1997-07-29
5652925 Image sensor system and auto-focus detection device Hidehiko Aoyagi, Yosuke Kusaka 1997-07-29
5640626 Battery voltage detection device using pulse width modulation control Yutaka Makiyama 1997-06-17
5619300 Autofocus adjustment device and method Toshimi Watanabe 1997-04-08
5614982 Automatic focus adjustment device for adjusting a focus state of a camera lens regardless of subject stability 1997-03-25
5604561 Focus state detection device Masamitsu Ozawa 1997-02-18