Inventor · disambiguated record
Youichi Seki
Also filed as: SAITO TAKEO · SEKI YOUICHI
14 granted patents·68 citations·filing 1974–2010
91Inventor score
Top patents by PatentIndex Score
14 records- 0181US4038675ASystem for indicating the operation of a self-timer in an electric shutter for cameraSEIKO KOKI KK·Filed 1975·Granted Jul 26, 1977·12 cites·3 claims
- 0279US4191459ADigital camera shutter control circuit having memory read-out/shutter opening synchronizationSEIKO KOKI KK·Filed 1976·Granted Mar 4, 1980·11 cites·6 claims
- 0368US4051489AExposure time control device for electric camera shutterSEIKO KOKI KK·Filed 1975·Granted Sep 27, 1977·7 cites·3 claims
- 0463US8369736B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2010·Granted Feb 5, 2013·1 cites·19 claims
- 0561US4881096AMotor-driven shutter for cameraSEIKOSHA KK·Filed 1987·Granted Nov 14, 1989·8 cites·17 claims
- 0656US4107708AShutter control circuit having exposure time displaySEIKO KOKI KK·Filed 1976·Granted Aug 15, 1978·4 cites·2 claims
- 0755US5060000AMotor-driven shutter for cameraSEIKOSHA KK·Filed 1989·Granted Oct 22, 1991·6 cites·7 claims
- 0853US4019189ADigital exposure time control circuit with self-timerSEIKO KOKI KK·Filed 1975·Granted Apr 19, 1977·4 cites·1 claims
- 0949US4831406APower circuit for cameraSEIKOSHA KK·Filed 1988·Granted May 16, 1989·5 cites·3 claims
- 1048US3999191AExposure time control device of electric shutter for cameraSEIKO KOKI KK·Filed 1974·Granted Dec 21, 1976·3 cites·3 claims
- 1141US4864347AProgram shutterSEIKOSHA KK·Filed 1988·Granted Sep 5, 1989·3 cites·1 claims
- 1237US4025929AExposure time control device of electric shutter for camera capable of automatic and manual settingsSEIKO KOKI KK·Filed 1974·Granted May 24, 1977·1 cites·2 claims
- 1335US4048642AExposure time control device of electric shutter for cameraSEIKO KOKI KK·Filed 1975·Granted Sep 13, 1977·1 cites·1 claims
- 1430US5097262AAnalog-to-digital converter for cameraSEIKOSHA KK·Filed 1987·Granted Mar 17, 1992·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →