Assignee
SEIKO KOKI KK
JP·128 granted patents·600 citations·filing 1974–1986
Top patents by PatentIndex Score
128 records- 0188US4634254AElectromagnetically actuated shutter for a cameraSEIKO KOKI KK·Filed 1985·Granted Jan 6, 1987·26 cites·18 claims
- 0288US4112444ACamera with photoflash means and data photographic means operated with single batterySEIKO KOKI KK·Filed 1977·Granted Sep 5, 1978·19 cites·4 claims
- 0384US4054892ASlit shutter blade stabilizing device for camerasSEIKO KOKI KK·Filed 1975·Granted Oct 18, 1977·14 cites·2 claims
- 0482US4110772ACamera shutter having bound prevention deviceSEIKO KOKI KK·Filed 1977·Granted Aug 29, 1978·12 cites·4 claims
- 0582US3946413AShutter blade rebound preventive device for camera shutterSEIKO KOKI KK·Filed 1974·Granted Mar 23, 1976·11 cites·3 claims
- 0681US4038675ASystem 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
- 0779US4191459ADigital camera shutter control circuit having memory read-out/shutter opening synchronizationSEIKO KOKI KK·Filed 1976·Granted Mar 4, 1980·11 cites·6 claims
- 0878US4150890ADevice in camera shutter for maintaining separate blades in intimate contact with each otherSEIKO KOKI KK·Filed 1976·Granted Apr 24, 1979·10 cites·1 claims
- 0977US4648701AControl circuit for program shutterSEIKO KOKI KK·Filed 1985·Granted Mar 10, 1987·15 cites·1 claims
- 1076US4445029ADistance detector using a photopotentiometer and a continuous detecting systemSEIKO KOKI KK·Filed 1981·Granted Apr 24, 1984·31 cites·9 claims
- 1174US4231647AAutomatic focusing cameraSEIKO KOKI KK·Filed 1979·Granted Nov 4, 1980·9 cites·4 claims
- 1272US4145132AOpening and closing device of a camera shutter mechanismSEIKO KOKI KK·Filed 1976·Granted Mar 20, 1979·8 cites·3 claims
- 1372US4054891ADriving device for a camera shutterSEIKO KOKI KK·Filed 1976·Granted Oct 18, 1977·8 cites·11 claims
- 1469US4355872ACamera equipped with electronic shutter having automatic focus detecting deviceSEIKO KOKI KK·Filed 1979·Granted Oct 26, 1982·7 cites·2 claims
- 1569US4209242AExposure control device for automatic focusing cameraSEIKO KOKI KK·Filed 1978·Granted Jun 24, 1980·7 cites·5 claims
- 1669US4205908ASelftimer on cameraSEIKO KOKI KK·Filed 1978·Granted Jun 3, 1980·7 cites·6 claims
- 1769US4119986AControl device of a shutter for a cameraSEIKO KOKI KK·Filed 1976·Granted Oct 10, 1978·7 cites·6 claims
- 1869US4096505AFocal plane shutter for camerasSEIKO KOKI KK·Filed 1976·Granted Jun 20, 1978·7 cites·8 claims
- 1968US4051489AExposure time control device for electric camera shutterSEIKO KOKI KK·Filed 1975·Granted Sep 27, 1977·7 cites·3 claims
- 2067US3947858AElectromagnetic control device for electronic shutterSEIKO KOKI KK·Filed 1974·Granted Mar 30, 1976·7 cites·4 claims
- 2167US3946414AElectric shutter with positive motion deviceSEIKO KOKI KK·Filed 1974·Granted Mar 23, 1976·7 cites·2 claims
- 2266US4104859AReversal preventing device of electric clockSEIKO KOKI KK·Filed 1976·Granted Aug 8, 1978·15 cites·6 claims
- 2365US4081810AOpening and closing device for camera shutterSEIKO KOKI KK·Filed 1976·Granted Mar 28, 1978·6 cites·6 claims
- 2463US4444511AMode switching device in an electronic timepieceSEIKO KOKI KK·Filed 1981·Granted Apr 24, 1984·16 cites·9 claims
- 2563US4305649AInhibit circuit for an electronic flash charge circuitSEIKO KOKI KK·Filed 1980·Granted Dec 15, 1981·7 cites·3 claims
- 2662US3938169AShutter release stop device for an electric shutterSEIKO KOKI KK·Filed 1974·Granted Feb 10, 1976·5 cites·5 claims
- 2761US4364648ASafety device of auto-focusing point adjusting cameraSEIKO KOKI KK·Filed 1978·Granted Dec 21, 1982·5 cites·6 claims
- 2861US4114174AShutter opening and closing mechanism for camerasSEIKO KOKI KK·Filed 1977·Granted Sep 12, 1978·5 cites·9 claims
- 2961US4015142AElectric timing circuitry with means to compensate for switch chatterSEIKO KOKI KK·Filed 1975·Granted Mar 29, 1977·9 cites·2 claims
- 3058US4307949AShutter control system having information circuit for introducing informations for flash photographingSEIKO KOKI KK·Filed 1979·Granted Dec 29, 1981·4 cites·7 claims
- 3157US4091401ADriving force-adjusting mechanism for camera shutterSEIKO KOKI KK·Filed 1977·Granted May 23, 1978·4 cites·6 claims
- 3256US4107708AShutter control circuit having exposure time displaySEIKO KOKI KK·Filed 1976·Granted Aug 15, 1978·4 cites·2 claims
- 3356US3996734AMinute-interval alarming device for a clock or the likeSEIKO KOKI KK·Filed 1975·Granted Dec 14, 1976·11 cites·7 claims
- 3455US4497560AControl circuit for active type range finderSEIKO KOKI KK·Filed 1983·Granted Feb 5, 1985·5 cites·20 claims
- 3555US3950772AShutter for a cameraSEIKO KOKI KK·Filed 1974·Granted Apr 13, 1976·4 cites·1 claims
- 3654US4349258AManual focal point adjusting and change-over device for use in automatic focal point adjuster cameraSEIKO KOKI KK·Filed 1980·Granted Sep 14, 1982·5 cites·14 claims
- 3754US4294526AAutomatic focusing camera combined with manual focusing systemSEIKO KOKI KK·Filed 1980·Granted Oct 13, 1981·5 cites·1 claims
- 3854US4127984ASlip mechanism of clockSEIKO KOKI KK·Filed 1977·Granted Dec 5, 1978·9 cites·7 claims
- 3953US4304475AWarning system for automatic focusing cameraSEIKO KOKI KK·Filed 1980·Granted Dec 8, 1981·5 cites·7 claims
- 4053US4097755AConstruction of electromagnetic driving deviceSEIKO KOKI KK·Filed 1976·Granted Jun 27, 1978·9 cites·6 claims
- 4153US4019189ADigital exposure time control circuit with self-timerSEIKO KOKI KK·Filed 1975·Granted Apr 19, 1977·4 cites·1 claims
- 4251US4660949AAutomatic film sensitivity setting device for camerasSEIKO KOKI KK·Filed 1986·Granted Apr 28, 1987·5 cites·13 claims
- 4351US4295215ASecond hand correction device for use in timepiecesSEIKO KOKI KK·Filed 1979·Granted Oct 13, 1981·8 cites·7 claims
- 4451US4212522AShutter control device for automatic focusing cameraSEIKO KOKI KK·Filed 1978·Granted Jul 15, 1980·3 cites·3 claims
- 4551US4167848ADriving device for an electric timepieceSEIKO KOKI KK·Filed 1978·Granted Sep 18, 1979·9 cites·5 claims
- 4650US4258988AFocusing device for automatic focusing cameraSEIKO KOKI KK·Filed 1979·Granted Mar 31, 1981·3 cites·8 claims
- 4749US4436418ADistance detector deviceSEIKO KOKI KK·Filed 1981·Granted Mar 13, 1984·9 cites·7 claims
- 4848US4212155ATime detecting switch for clockSEIKO KOKI KK·Filed 1978·Granted Jul 15, 1980·7 cites·7 claims
- 4948US4084403ADriving mechanism for a timepieceSEIKO KOKI KK·Filed 1976·Granted Apr 18, 1978·7 cites·3 claims
- 5048US3999191AExposure time control device of electric shutter for cameraSEIKO KOKI KK·Filed 1974·Granted Dec 21, 1976·3 cites·3 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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