Inventor · disambiguated record
Yoichi Seki
Also filed as: SEKI YOICHI
54 granted patents·2 pending applications·562 citations·filing 1976–2015
98Inventor score
Top patents by PatentIndex Score
56 records- 0193US6661124B1Linear motor coils assembly and method for manufacturing the sameSODICK CO LTD·Filed 2000·Granted Dec 9, 2003·47 cites·6 claims
- 0288US4697908AProgram shutterSEIKOSHA KK·Filed 1985·Granted Oct 6, 1987·26 cites·17 claims
- 0387US6789305B2Linear motor coils assembly and manufacturing method thereofSODICK CO LTD·Filed 2003·Granted Sep 14, 2004·29 cites·4 claims
- 0482US5105595AMold panel unit and spring-water processing structure using mold panel unitsSHIMIZU CONSTRUCTION CO LTD·Filed 1990·Granted Apr 21, 1992·89 cites·7 claims
- 0579US4696560ACamera shutterSEIKOSHA KK·Filed 1985·Granted Sep 29, 1987·17 cites·14 claims
- 0677US4648701AControl circuit for program shutterSEIKO KOKI KK·Filed 1985·Granted Mar 10, 1987·15 cites·1 claims
- 0775US5732295ACamera with battery checkup functionSEIKO PRECISION KK·Filed 1996·Granted Mar 24, 1998·18 cites·22 claims
- 0873US6650833B1Exposure control drive apparatusSEIKO PRECISION KK·Filed 2000·Granted Nov 18, 2003·10 cites·15 claims
- 0971US5359376ACamera and film winding-up apparatus for cameraSEIKOSHA KK·Filed 1992·Granted Oct 25, 1994·13 cites·25 claims
- 1066US5365305APower supply control circuit for a display of a cameraSEIKOSHA KK·Filed 1993·Granted Nov 15, 1994·11 cites·7 claims
- 1166US4104859AReversal preventing device of electric clockSEIKO KOKI KK·Filed 1976·Granted Aug 8, 1978·15 cites·6 claims
- 1265US6353199B1Apparatus for electric discharge machiningSODICK CO LTD·Filed 1999·Granted Mar 5, 2002·24 cites·17 claims
- 1363US4444511AMode switching device in an electronic timepieceSEIKO KOKI KK·Filed 1981·Granted Apr 24, 1984·16 cites·9 claims
- 1462US5417018AConstruction apparatus for building and constructing method therewithMITSUBISHI HEAVY IND LTD·Filed 1993·Granted May 23, 1995·23 cites·14 claims
- 1562US4771309AStrobe control circuit for flash photographySEIKOSHA KK·Filed 1985·Granted Sep 13, 1988·9 cites·8 claims
- 1661US5461451ADistance measuring device and camera having sameSEIKOSHA KK·Filed 1993·Granted Oct 24, 1995·9 cites·12 claims
- 1761US4959675ADevice for adjusting camera in the initial stageSEIKOSHA KK·Filed 1989·Granted Sep 25, 1990·8 cites·20 claims
- 1860US5371691ADevice for correcting characteristic errors of a cameraSEIKOSHA KK·Filed 1991·Granted Dec 6, 1994·10 cites·13 claims
- 1960US5255489AConstruction apparatus for buildings and constructing method therewithMITSUBISHI HEAVY IND LTD·Filed 1991·Granted Oct 26, 1993·22 cites·16 claims
- 2057US5099209ABattery voltage detecting deviceSEIKOSHA KK·Filed 1990·Granted Mar 24, 1992·19 cites·6 claims
- 2157US4693583AProgrammable shutterSEIKOSHA KK·Filed 1985·Granted Sep 15, 1987·6 cites·10 claims
- 2256US5621347AElectronic circuit having electrically isolated digital and analog circuitrySEIKO PRECISION KK·Filed 1994·Granted Apr 15, 1997·7 cites·27 claims
- 2353US5107138AIntegrated circuit with battery serving as power source having CMOS analog and digital circuits and regulated stepped up voltage sourceSEIKOSHA KK·Filed 1989·Granted Apr 21, 1992·12 cites·1 claims
- 2451US5109250AProgram shutterSEIKOSHA KK·Filed 1989·Granted Apr 28, 1992·5 cites·5 claims
- 2551US4167848ADriving device for an electric timepieceSEIKO KOKI KK·Filed 1978·Granted Sep 18, 1979·9 cites·5 claims
- 2648US5258800ADistance measuring device and camera having sameSEIKOSHA KK·Filed 1992·Granted Nov 2, 1993·14 cites·14 claims
- 2748US4084403ADriving mechanism for a timepieceSEIKO KOKI KK·Filed 1976·Granted Apr 18, 1978·7 cites·3 claims
- 2844US6058270APhotometric device and camera having the photometric deviceSEIKO PRECISION KK·Filed 1999·Granted May 2, 2000·2 cites·11 claims
- 2944US4423966AAlarm control system for alarm clockSEIKO KOKI KK·Filed 1980·Granted Jan 3, 1984·7 cites·2 claims
- 3043US4053908AExposure multiple setting device for programming electric shutterSEIKO KOKI KK·Filed 1976·Granted Oct 11, 1977·2 cites·5 claims
- 3143US4037400ADrive device for electric clockSEIKO KOKI KK·Filed 1976·Granted Jul 26, 1977·5 cites·3 claims
- 3242US2003107656A1Image pick-up device and portable electronic device having the sameFiled 2002·Application pending·0 cites
- 3342US2003107669A1Image pick-up device and portable electronic device having the sameFiled 2003·Application pending·0 cites
- 3441US4702579AAutomatic film sensitivity change-over deviceSEIKOSHA KK·Filed 1985·Granted Oct 27, 1987·3 cites·11 claims
- 3540US4298972AAlarm signaling time detecting device for leaf type digital clockSEIKO KOKI KK·Filed 1979·Granted Nov 3, 1981·4 cites·3 claims
- 3639US9990415B2Data structure for representing information using expressionsMAEDA CONSTRUCTION·Filed 2015·Granted Jun 5, 2018·0 cites·8 claims
- 3739US5444511ADistance measuring device for cameraSEIKOSHA KK·Filed 1993·Granted Aug 22, 1995·9 cites·14 claims
- 3839US5327070APower supply circuit for driving a light emitting elementSEIKOSHA KK·Filed 1992·Granted Jul 5, 1994·7 cites·9 claims
- 3936US6144806ACamera having data protection meansSEIKO PRECISION KK·Filed 1993·Granted Nov 7, 2000·2 cites·18 claims
- 4035US4980545APhotometric circuitSEIKOSHA KK·Filed 1988·Granted Dec 25, 1990·4 cites·7 claims
- 4135US4376994ATime detecting device for alarm clockSEIKO KOKI KK·Filed 1980·Granted Mar 15, 1983·3 cites·3 claims
- 4235US4293938AAlarm signaling time detecting device for digital clockSEIKO KOKI KK·Filed 1979·Granted Oct 6, 1981·2 cites·10 claims
- 4334US6029014ALight measuring apparatus and camera using the light measuring apparatusSEIKO PRECISION KK·Filed 1998·Granted Feb 22, 2000·0 cites·13 claims
- 4433US4945378ACircuit for detecting back lightSEIKOSHA KK·Filed 1988·Granted Jul 31, 1990·1 cites·6 claims
- 4533US4371267ATime detecting device for alarm clockSEIKO KOKI KK·Filed 1980·Granted Feb 1, 1983·2 cites·3 claims
- 4632US5006880AProgrammable shutterSEIKOSHA KK·Filed 1989·Granted Apr 9, 1991·0 cites·9 claims
- 4732US4389105ADevice for detecting coincident focusing pointsSEIKO KOKI KK·Filed 1978·Granted Jun 21, 1983·2 cites·7 claims
- 4831US5357309ADistance measuring device for a cameraSEIKOSHA KK·Filed 1993·Granted Oct 18, 1994·3 cites·12 claims
- 4931US5353092AData imprintable cameraSEIKOSHA KK·Filed 1993·Granted Oct 4, 1994·0 cites·5 claims
- 5031US4270195AAlarm setting indication device for digital clockSEIKO KOKI KK·Filed 1980·Granted May 26, 1981·1 cites·10 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →