Inventor · disambiguated record
Sakuji Watanabe
Also filed as: MOTOORI RYUZO · TAKAHATA KOUICHI · TOYODA KENJI · WATANABE SAKUJI
33 granted patents·219 citations·filing 1975–1986
97Inventor score
Files withNIPPON KOGAKU KK33
Top patents by PatentIndex Score
33 records- 0188US4269496APower supply circuit for cameraNIPPON KOGAKU KK·Filed 1979·Granted May 26, 1981·17 cites·5 claims
- 0284US4238146ASound alarm device in a cameraNIPPON KOGAKU KK·Filed 1979·Granted Dec 9, 1980·14 cites·5 claims
- 0377US4204755ADisplay device in an automatic exposure control cameraNIPPON KOGAKU KK·Filed 1978·Granted May 27, 1980·8 cites·6 claims
- 0475US4275953AExposure parameter information generating circuit in a single lens reflex cameraNIPPON KOGAKU KK·Filed 1979·Granted Jun 30, 1981·9 cites·7 claims
- 0574US4160160ACircuit for integrating a quantity of light in an automatic control type flash unitNIPPON KOGAKU KK·Filed 1977·Granted Jul 3, 1979·9 cites·3 claims
- 0669US3992104AAutomatic polarization analyzer deviceNIPPON KOGAKU KK·Filed 1975·Granted Nov 16, 1976·22 cites·13 claims
- 0765US4099115AConstant-voltage regulated power supplyNIPPON KOGAKU KK·Filed 1976·Granted Jul 4, 1978·19 cites·11 claims
- 0862US4497564AExposure mode setting device in an exposure control apparatus of a cameraNIPPON KOGAKU KK·Filed 1983·Granted Feb 5, 1985·7 cites·10 claims
- 0962US4187017AMotor drive device in a cameraNIPPON KOGAKU KK·Filed 1978·Granted Feb 5, 1980·5 cites·4 claims
- 1060US4307948ADiaphragm control apparatus for cameraNIPPON KOGAKU KK·Filed 1980·Granted Dec 29, 1981·7 cites·5 claims
- 1160US4129366APhotometric device for a cameraNIPPON KOGAKU KK·Filed 1976·Granted Dec 12, 1978·5 cites·2 claims
- 1257US4104666AExposure control circuit for cameraNIPPON KOGAKU KK·Filed 1976·Granted Aug 1, 1978·4 cites·2 claims
- 1356US4473286AAutomatic focusing device of a cameraNIPPON KOGAKU KK·Filed 1982·Granted Sep 25, 1984·14 cites·11 claims
- 1454US4122465ADevice for indicating condition of exposure in an automatic control type electronic flash unit for flash photographyNIPPON KOGAKU KK·Filed 1977·Granted Oct 24, 1978·12 cites·5 claims
- 1552US4634851AControl device for automatic focusingNIPPON KOGAKU KK·Filed 1986·Granted Jan 6, 1987·15 cites·15 claims
- 1651US4176933AIndicating apparatus for cameraNIPPON KOGAKU KK·Filed 1978·Granted Dec 4, 1979·3 cites·7 claims
- 1750US4316660AAlarm device in an automatic exposure cameraNIPPON KOGAKU KK·Filed 1980·Granted Feb 23, 1982·6 cites·3 claims
- 1850US4239358AAlarm device control system in a cameraNIPPON KOGAKU KK·Filed 1979·Granted Dec 16, 1980·3 cites·4 claims
- 1950US4196989ATTL Metering system automatic exposure control cameraNIPPON KOGAKU KK·Filed 1978·Granted Apr 8, 1980·3 cites·5 claims
- 2045US4389108APower supply control circuit in a cameraNIPPON KOGAKU KK·Filed 1982·Granted Jun 21, 1983·3 cites·2 claims
- 2144US4189219AControl system for flash photographing apparatusNIPPON KOGAKU KK·Filed 1977·Granted Feb 19, 1980·8 cites·5 claims
- 2243US4564281ASignal selector for automatic exposure apparatus of cameraNIPPON KOGAKU KK·Filed 1984·Granted Jan 14, 1986·3 cites·3 claims
- 2342US4264164AMemory holding device in a single lens reflex cameraNIPPON KOGAKU KK·Filed 1979·Granted Apr 28, 1981·2 cites·4 claims
- 2441US4385819ADisplay device in automatic exposure control cameraNIPPON KOGAKU KK·Filed 1981·Granted May 31, 1983·2 cites·10 claims
- 2540US4477169AAutomatic focusing camera system and photographing lens structure thereforNIPPON KOGAKU KK·Filed 1982·Granted Oct 16, 1984·2 cites·6 claims
- 2640US4340284ATemperature-compensated signal transmitting deviceNIPPON KOGAKU KK·Filed 1981·Granted Jul 20, 1982·2 cites·9 claims
- 2736US4089013AFlashlight information signal generating device for a cameraNIPPON KOGAKU KK·Filed 1977·Granted May 9, 1978·1 cites·2 claims
- 2835US4457606AMotor drive unit for cameraNIPPON KOGAKU KK·Filed 1983·Granted Jul 3, 1984·1 cites·10 claims
- 2935US4422739AAuto focus cameraNIPPON KOGAKU KK·Filed 1981·Granted Dec 27, 1983·4 cites·5 claims
- 3035US4045142AMetering device for camerasNIPPON KOGAKU KK·Filed 1976·Granted Aug 30, 1977·3 cites·2 claims
- 3134US4396269AShutter release locking deviceNIPPON KOGAKU KK·Filed 1981·Granted Aug 2, 1983·1 cites·4 claims
- 3230US4408854AAutomatic focus detecting apparatus of a cameraNIPPON KOGAKU KK·Filed 1982·Granted Oct 11, 1983·1 cites·5 claims
- 3329US3988067AAutomatic polarization analyzing deviceNIPPON KOGAKU KK·Filed 1975·Granted Oct 26, 1976·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →