Inventor · disambiguated record
Yuzuru Takazawa
Also filed as: TAKAZAWA YUZURU
17 granted patents·86 citations·filing 1974–1980
92Inventor score
Files withSEIKO KOKI KK17
Top patents by PatentIndex Score
17 records- 0174US4231647AAutomatic focusing cameraSEIKO KOKI KK·Filed 1979·Granted Nov 4, 1980·9 cites·4 claims
- 0266US4104859AReversal preventing device of electric clockSEIKO KOKI KK·Filed 1976·Granted Aug 8, 1978·15 cites·6 claims
- 0363US4305649AInhibit circuit for an electronic flash charge circuitSEIKO KOKI KK·Filed 1980·Granted Dec 15, 1981·7 cites·3 claims
- 0461US4364648ASafety device of auto-focusing point adjusting cameraSEIKO KOKI KK·Filed 1978·Granted Dec 21, 1982·5 cites·6 claims
- 0561US4015142AElectric timing circuitry with means to compensate for switch chatterSEIKO KOKI KK·Filed 1975·Granted Mar 29, 1977·9 cites·2 claims
- 0658US4307949AShutter control system having information circuit for introducing informations for flash photographingSEIKO KOKI KK·Filed 1979·Granted Dec 29, 1981·4 cites·7 claims
- 0754US4349258AManual 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
- 0848US4084403ADriving mechanism for a timepieceSEIKO KOKI KK·Filed 1976·Granted Apr 18, 1978·7 cites·3 claims
- 0948US3987464AElectronic shutter control circuit having exposure time indicatorSEIKO KOKI KK·Filed 1974·Granted Oct 19, 1976·3 cites·5 claims
- 1044US4275955AShutter release interrupting systemSEIKO KOKI KK·Filed 1979·Granted Jun 30, 1981·2 cites·2 claims
- 1143US4359634AAutomatic focusing deviceSEIKO KOKI KK·Filed 1980·Granted Nov 16, 1982·8 cites·7 claims
- 1243US4053908AExposure multiple setting device for programming electric shutterSEIKO KOKI KK·Filed 1976·Granted Oct 11, 1977·2 cites·5 claims
- 1343US4037400ADrive device for electric clockSEIKO KOKI KK·Filed 1976·Granted Jul 26, 1977·5 cites·3 claims
- 1439US4353631AExposure information input circuit for electric shutterSEIKO KOKI KK·Filed 1980·Granted Oct 12, 1982·2 cites·15 claims
- 1538US4270851AAutomatic film sensitivity setting system for cameraSEIKO KOKI KK·Filed 1979·Granted Jun 2, 1981·1 cites·9 claims
- 1631US4267440AFocus detecting systemSEIKO KOKI KK·Filed 1979·Granted May 12, 1981·2 cites·5 claims
- 1730US4316085AAutomatic focusing adjustor deviceSEIKO KOKI KK·Filed 1980·Granted Feb 16, 1982·0 cites·8 claims
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