Inventor · disambiguated record
Michio Hirohata
Also filed as: HIROHATA MICHIO
49 granted patents·560 citations·filing 1976–1996
98Inventor score
Files withCANON KK49
Top patents by PatentIndex Score
49 records- 0198US4451129ACamera having a plurality of built-in lensesCANON KK·Filed 1982·Granted May 29, 1984·110 cites·17 claims
- 0298US4390262AElectromagnetically operated diaphragm shutterCANON KK·Filed 1981·Granted Jun 28, 1983·64 cites·56 claims
- 0392US4153355ACamera incorporated with a movable flash light deviceCANON KK·Filed 1977·Granted May 8, 1979·20 cites·4 claims
- 0490US4348092AElectromagnetically driven shutterCANON KK·Filed 1981·Granted Sep 7, 1982·25 cites·6 claims
- 0586US4466723AElectromagnetic drive deviceCANON KK·Filed 1982·Granted Aug 21, 1984·20 cites·9 claims
- 0685US4322145AShutter device for cameraCANON KK·Filed 1980·Granted Mar 30, 1982·19 cites·14 claims
- 0784US4357087ACamera incorporated with a movable flash light deviceCANON KK·Filed 1981·Granted Nov 2, 1982·15 cites·8 claims
- 0882US5005038AFocal length changeable cameraCANON KK·Filed 1990·Granted Apr 2, 1991·22 cites·79 claims
- 0981US4725864AVari-focal cameraCANON KK·Filed 1985·Granted Feb 16, 1988·18 cites·37 claims
- 1076US5285232ARed-eye phenomenon preventing deviceCANON KK·Filed 1992·Granted Feb 8, 1994·17 cites·61 claims
- 1176US4396267AElectromagnetic driving device for a cameraCANON KK·Filed 1981·Granted Aug 2, 1983·12 cites·8 claims
- 1276US4349264AElectromagnetically driven shutterCANON KK·Filed 1981·Granted Sep 14, 1982·12 cites·3 claims
- 1372USD293917SCameraCANON KK·Filed 1985·Granted Jan 26, 1988·13 cites·1 claims
- 1468US4319822AElectromagnetically operated shutterCANON KK·Filed 1980·Granted Mar 16, 1982·8 cites·5 claims
- 1566US4458996APhotographic operation control circuit for cameraCANON KK·Filed 1979·Granted Jul 10, 1984·19 cites·6 claims
- 1664US4983998AFlash device for cameraCANON KK·Filed 1989·Granted Jan 8, 1991·9 cites·17 claims
- 1764US4348094ARotor of electromagnetically driven device for exposure controlCANON KK·Filed 1980·Granted Sep 7, 1982·10 cites·7 claims
- 1863US4601563AMotor driven focal length changing device for a cameraCANON KK·Filed 1984·Granted Jul 22, 1986·17 cites·4 claims
- 1963US4420237AExposure control systemCANON KK·Filed 1982·Granted Dec 13, 1983·7 cites·25 claims
- 2063US4306788AElectromagnetically controlled shutterCANON KK·Filed 1979·Granted Dec 22, 1981·5 cites·4 claims
- 2160USD308214SCameraCANON KK·Filed 1986·Granted May 29, 1990·8 cites·1 claims
- 2260USD306452SCameraCANON KK·Filed 1986·Granted Mar 6, 1990·8 cites·1 claims
- 2360US4724450AMotorized cameraCANON KK·Filed 1987·Granted Feb 9, 1988·8 cites·33 claims
- 2460US4319821AShutter blades for cameraCANON KK·Filed 1980·Granted Mar 16, 1982·6 cites·8 claims
- 2559US4508442AElectromagnetically driven shutter camera having automatic focusing deviceCANON KK·Filed 1982·Granted Apr 2, 1985·6 cites·12 claims
- 2659US4401378ACamera having automatic focus function and automatic exposure functionCANON KK·Filed 1982·Granted Aug 30, 1983·6 cites·5 claims
- 2758US4534638AExposure control device for cameraCANON KK·Filed 1984·Granted Aug 13, 1985·6 cites·4 claims
- 2856US4505567AElectromagnetically driven shutter with focus adjusting functionCANON KK·Filed 1983·Granted Mar 19, 1985·5 cites·8 claims
- 2956US4179203ACamera equipped with data recording deviceCANON KK·Filed 1976·Granted Dec 18, 1979·4 cites·10 claims
- 3048US4811060AOptical system shifting device for a cameraCANON KK·Filed 1985·Granted Mar 7, 1989·12 cites·45 claims
- 3148US4466725AElectromagnetic drive device for cameraCANON KK·Filed 1983·Granted Aug 21, 1984·10 cites·8 claims
- 3248US4134658AShutter release system for a cameraCANON KK·Filed 1976·Granted Jan 16, 1979·3 cites·3 claims
- 3344US5250972ADrop-in loading type cameraCANON KK·Filed 1991·Granted Oct 5, 1993·4 cites·6 claims
- 3444US5008693ACameraCANON KK·Filed 1989·Granted Apr 16, 1991·3 cites·41 claims
- 3544US4415252AElectromagnetically operated shutterCANON KK·Filed 1982·Granted Nov 15, 1983·3 cites·8 claims
- 3643US4364649AFilm winding and lens control mechanism for automatically focusing cameraCANON KK·Filed 1980·Granted Dec 21, 1982·3 cites·11 claims
- 3743US4278336AOperation detecting device for cameraCANON KK·Filed 1979·Granted Jul 14, 1981·2 cites·22 claims
- 3841US4487493AElectromagnetically driven shutterCANON KK·Filed 1984·Granted Dec 11, 1984·2 cites·9 claims
- 3939US5864719AOptical apparatusCANON KK·Filed 1996·Granted Jan 26, 1999·7 cites·165 claims
- 4039US4452521ACamera having an electromagnetically driven shutterCANON KK·Filed 1982·Granted Jun 5, 1984·2 cites·5 claims
- 4139US4410255AElectromagnetic drive device for electro-magnetically operated shutterCANON KK·Filed 1981·Granted Oct 18, 1983·2 cites·5 claims
- 4238US4168891ACamera for daylight and flash photographyCANON KK·Filed 1977·Granted Sep 25, 1979·1 cites·3 claims
- 4335US4410249ACamera with electromagnetically operated shutterCANON KK·Filed 1982·Granted Oct 18, 1983·1 cites·5 claims
- 4435US4324471AElectromagnetic drive device for cameraCANON KK·Filed 1980·Granted Apr 13, 1982·1 cites·3 claims
- 4534US5410379ACamera using variable magnification photographic optical system unitCANON KK·Filed 1992·Granted Apr 25, 1995·1 cites·150 claims
- 4634USD329054S35 mm cameraCANON KK·Filed 1990·Granted Sep 1, 1992·1 cites·1 claims
- 4734US4375321AExposure amount control deviceCANON KK·Filed 1981·Granted Mar 1, 1983·1 cites·11 claims
- 4833US5771415AData imprinting deviceCANON KK·Filed 1994·Granted Jun 23, 1998·2 cites·24 claims
- 4931US4496227APhotographic operation control circuit for cameraCANON KK·Filed 1981·Granted Jan 29, 1985·0 cites·10 claims
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