Inventor · disambiguated record
Masaharu Kawamura
Also filed as: ITO FUMIO · KAWAMURA MASAHARU · SAKURADA NOBUAKI · SHINODA NOBUHIKO
95 granted patents·1,068 citations·filing 1975–2011
99Inventor score
Top patents by PatentIndex Score
95 records- 0197US4448509AInterchangeable lens barrel with signal transfer contactsCANON KK·Filed 1982·Granted May 15, 1984·51 cites·5 claims
- 0297US4118713ATotally opened F. value information input system of lens for a camera with interchangeable lensesCANON KK·Filed 1977·Granted Oct 3, 1978·49 cites·10 claims
- 0393US4449805AData registration deviceCANON KK·Filed 1981·Granted May 22, 1984·29 cites·7 claims
- 0493US4384771AData registration deviceCANON KK·Filed 1978·Granted May 24, 1983·21 cites·6 claims
- 0592US7719785B2Disk drive device, manufacturing method thereof, and method for setting heater power value for a heater for adjusting a clearanceHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted May 18, 2010·18 cites·16 claims
- 0692US4437752ASafety device for camera and accessoryCANON KK·Filed 1982·Granted Mar 20, 1984·27 cites·7 claims
- 0790US7385777B2Data storage device with heater, and control method therefor with timing controlHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 10, 2008·12 cites·20 claims
- 0890US4862205AAuto-bracket device for cameraCANON KK·Filed 1987·Granted Aug 29, 1989·30 cites·10 claims
- 0989US8559121B2System, method and apparatus for shingled magnetic recording in disk drivesSAITO KOSUKE·Filed 2011·Granted Oct 15, 2013·18 cites·17 claims
- 1089US4812870AAuto-bracket device for cameraCANON KK·Filed 1987·Granted Mar 14, 1989·26 cites·14 claims
- 1189US4494850AFlash photographing systemCANON KK·Filed 1983·Granted Jan 22, 1985·23 cites·32 claims
- 1288US4616913ACameraCANON KK·Filed 1985·Granted Oct 14, 1986·26 cites·13 claims
- 1387US5070349ACameraCANON KK·Filed 1989·Granted Dec 3, 1991·21 cites·28 claims
- 1486US4693582AAuxiliary light source for camera having automatic focusing deviceCANON KK·Filed 1986·Granted Sep 15, 1987·58 cites·34 claims
- 1585US4512656ACamera systemCANON KK·Filed 1980·Granted Apr 23, 1985·15 cites·37 claims
- 1684US7525752B2Media drive and control method for the sameHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Apr 28, 2009·6 cites·22 claims
- 1782US4837596AInformation set device for cameraCANON KK·Filed 1987·Granted Jun 6, 1989·19 cites·9 claims
- 1882US4718758ACameraCANON KK·Filed 1986·Granted Jan 12, 1988·19 cites·7 claims
- 1982US4673272AFilm transport apparatus for cameraCANON KK·Filed 1986·Granted Jun 16, 1987·19 cites·20 claims
- 2082US4081813APhotographic information setting apparatus for cameraCANON KK·Filed 1976·Granted Mar 28, 1978·12 cites·9 claims
- 2181US4079386ACamera with digital control deviceCANON KK·Filed 1976·Granted Mar 14, 1978·12 cites·14 claims
- 2280US7369349B2Data storage device with heater, and control method therefor involving different control modesHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 6, 2008·4 cites·17 claims
- 2380US4664496ACamera systemCANON KK·Filed 1986·Granted May 12, 1987·14 cites·9 claims
- 2479US4389609ABattery check deviceCANON KK·Filed 1981·Granted Jun 21, 1983·30 cites·5 claims
- 2579US4079387ACounter circuit for a cameraCANON KK·Filed 1976·Granted Mar 14, 1978·11 cites·14 claims
- 2678US4674854AInformation setting device for cameraCANON KK·Filed 1986·Granted Jun 23, 1987·16 cites·10 claims
- 2777US4699487AMode setting device for cameraCANON KK·Filed 1986·Granted Oct 13, 1987·15 cites·4 claims
- 2877US4697899AMotorized drive device for cameraCANON KK·Filed 1986·Granted Oct 6, 1987·15 cites·12 claims
- 2977US4365880AIndicator for cameraCANON KK·Filed 1981·Granted Dec 28, 1982·12 cites·8 claims
- 3076US4679925ACameraCANON KK·Filed 1986·Granted Jul 14, 1987·15 cites·14 claims
- 3175US4717934ACamera systemCANON KK·Filed 1985·Granted Jan 5, 1988·14 cites·17 claims
- 3274US4636056AElectrical power supply circuit in a cameraCANON KK·Filed 1984·Granted Jan 13, 1987·11 cites·17 claims
- 3372US4918474ACameraCANON KK·Filed 1989·Granted Apr 17, 1990·12 cites·25 claims
- 3472US4175842AExposure control system for a cameraCANON KK·Filed 1978·Granted Nov 27, 1979·8 cites·26 claims
- 3569US5784105AVideo camera with built-in secondary batteryCANON KK·Filed 1997·Granted Jul 21, 1998·37 cites·22 claims
- 3669US4806963AAperture decision system for flash photographingCANON KK·Filed 1988·Granted Feb 21, 1989·11 cites·14 claims
- 3769US4474447ACamera with automatic focusing deviceCANON KK·Filed 1982·Granted Oct 2, 1984·22 cites·9 claims
- 3869US4103308ADigital information input methodCANON KK·Filed 1976·Granted Jul 25, 1978·7 cites·4 claims
- 3968US5500578AController for a vibration wave motorFiled 1995·Granted Mar 19, 1996·24 cites·24 claims
- 4067US4676624AMultiple exposure device for cameraCANON KK·Filed 1985·Granted Jun 30, 1987·10 cites·10 claims
- 4167US4647169AMotor drive device for cameraCANON KK·Filed 1985·Granted Mar 3, 1987·10 cites·9 claims
- 4266US4307953AMode setting device for cameraCANON KK·Filed 1979·Granted Dec 29, 1981·5 cites·1 claims
- 4364US4910543ACameraCANON KK·Filed 1989·Granted Mar 20, 1990·9 cites·20 claims
- 4463US4766452ATransmission changeover mechanism for cameraCANON KK·Filed 1986·Granted Aug 23, 1988·9 cites·3 claims
- 4563US4702585AAnalog-to-digital converter for cameraCANON KK·Filed 1986·Granted Oct 27, 1987·9 cites·7 claims
- 4663US4364647AControl device for a cameraCANON KK·Filed 1978·Granted Dec 21, 1982·5 cites·21 claims
- 4762US4145129APhotographic information display apparatus for cameraCANON KK·Filed 1978·Granted Mar 20, 1979·5 cites·10 claims
- 4861US4659201ADrive device for cameraCANON KK·Filed 1986·Granted Apr 21, 1987·8 cites·22 claims
- 4961US4290686ALiquid crystal display device for cameraCANON KK·Filed 1980·Granted Sep 22, 1981·20 cites·8 claims
- 5061US4191458APhotographic information setting display circuitCANON KK·Filed 1978·Granted Mar 4, 1980·5 cites·33 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →