Inventor · disambiguated record
Masamichi Toyama
Also filed as: IWAMA HIDETO · TOYAMA MASAMICHI
62 granted patents·1 pending application·1,876 citations·filing 1974–2008
99Inventor score
Files withCANON KK63
Top patents by PatentIndex Score
63 records- 0196US5107293AAutomatic image stabilization deviceCANON KK·Filed 1989·Granted Apr 21, 1992·133 cites·50 claims
- 0296US5012270AImage shake detecting deviceCANON KK·Filed 1989·Granted Apr 30, 1991·95 cites·56 claims
- 0395US5031049AAutomatic object image follow-up deviceCANON KK·Filed 1990·Granted Jul 9, 1991·187 cites·96 claims
- 0494US5272538AExposure control deviceCANON KK·Filed 1990·Granted Dec 21, 1993·153 cites·49 claims
- 0589US4437552ASpring clutch deviceCANON KK·Filed 1981·Granted Mar 20, 1984·32 cites·2 claims
- 0688US6118484AImaging apparatusCANON KK·Filed 1995·Granted Sep 12, 2000·107 cites·9 claims
- 0788US5289318AOptical apparatus provided with a driving unit for moving a lensCANON KK·Filed 1991·Granted Feb 22, 1994·71 cites·10 claims
- 0886US6014169APickup device apparatus including vibration correction meansCANON KK·Filed 1995·Granted Jan 11, 2000·21 cites·27 claims
- 0986US5212516AAutomatic focus adjusting deviceCANON KK·Filed 1992·Granted May 18, 1993·77 cites·30 claims
- 1084US6047134AImage shake detecting deviceCANON KK·Filed 1997·Granted Apr 4, 2000·52 cites·19 claims
- 1184US5463442AInterchangeable lens unit for use in camera systemCANON KK·Filed 1992·Granted Oct 31, 1995·24 cites·63 claims
- 1284US4591919AAutomatic focus control system and camera using sameCANON KK·Filed 1983·Granted May 27, 1986·37 cites·32 claims
- 1381US5572372AOptical apparatus provided with a driving unit for moving a lensCANON KK·Filed 1994·Granted Nov 5, 1996·46 cites·3 claims
- 1481US5386264AImage shake detecting deviceCANON KK·Filed 1993·Granted Jan 31, 1995·36 cites·29 claims
- 1580US5561498AAutomatic image stabilization deviceCANON KK·Filed 1995·Granted Oct 1, 1996·56 cites·20 claims
- 1679US5629735AImage sensing device having a selectable detecting areaCANON KK·Filed 1995·Granted May 13, 1997·61 cites·53 claims
- 1779US5387960ACamera apparatusCANON KK·Filed 1993·Granted Feb 7, 1995·40 cites·42 claims
- 1878US5128768AAutomatic focusing device having a settable focus detection areaCANON KK·Filed 1990·Granted Jul 7, 1992·37 cites·51 claims
- 1977US4322140AShutter opening angle control device for a motion picture cameraCANON KK·Filed 1979·Granted Mar 30, 1982·10 cites·6 claims
- 2076US5949481AImage sensing and processing deviceCANON KK·Filed 1997·Granted Sep 7, 1999·52 cites·67 claims
- 2176US5204749AAutomatic follow-up focus detecting device and automatic follow-up deviceCANON KK·Filed 1992·Granted Apr 20, 1993·39 cites·16 claims
- 2275US5734933AImage shake detecting deviceCANON KK·Filed 1996·Granted Mar 31, 1998·32 cites·16 claims
- 2375US5187585AImage sensing apparatus with settable focus detection areaCANON KK·Filed 1992·Granted Feb 16, 1993·32 cites·36 claims
- 2475US4980773AIn focus detecting apparatus having a plurality of bandpass filtersCANON KK·Filed 1989·Granted Dec 25, 1990·27 cites·37 claims
- 2574US4518242AAutomatic focus adjusting deviceCANON KK·Filed 1984·Granted May 21, 1985·26 cites·2 claims
- 2672US6088060AAutomatic focusing deviceCANON KK·Filed 1997·Granted Jul 11, 2000·37 cites·19 claims
- 2772US4550995AAutomatic focus adjusting deviceCANON KK·Filed 1984·Granted Nov 5, 1985·18 cites·4 claims
- 2869US6370330B2Image shake detecting deviceCANON KK·Filed 1999·Granted Apr 9, 2002·23 cites·20 claims
- 2967US5623309AAutomatic focusing device with adaptive signal filteringCANON KK·Filed 1994·Granted Apr 22, 1997·25 cites·33 claims
- 3064US4000941AAutomatic exposure adjusting deviceCANON KK·Filed 1975·Granted Jan 4, 1977·6 cites·28 claims
- 3163US4046464AExposure control system and a motion picture camera using the sameCANON KK·Filed 1975·Granted Sep 6, 1977·6 cites·11 claims
- 3262US5061954AAutomatic focus adjustment systemCANON KK·Filed 1990·Granted Oct 29, 1991·22 cites·25 claims
- 3362US4614974ARange finding system suited for video cameraCANON KK·Filed 1985·Granted Sep 30, 1986·17 cites·20 claims
- 3460US5619264AAutomatic focusing deviceCANON KK·Filed 1994·Granted Apr 8, 1997·19 cites·33 claims
- 3560US4200372AAutomatic aperture presetting and exposure control device for cameraCANON KK·Filed 1978·Granted Apr 29, 1980·5 cites·16 claims
- 3659US6124891AExposure control deviceCANON KK·Filed 1994·Granted Sep 26, 2000·18 cites·25 claims
- 3759US5442397AImage sensing apparatusCANON KK·Filed 1994·Granted Aug 15, 1995·18 cites·50 claims
- 3859US5422671AAutomatic focus control by use of component value differences in an image sensing planeCANON KK·Filed 1994·Granted Jun 6, 1995·15 cites·55 claims
- 3959US4278340ACamera having an automatic focus adjusting deviceCANON KK·Filed 1980·Granted Jul 14, 1981·15 cites·3 claims
- 4059US3955887AMotion picture cameraCANON KK·Filed 1974·Granted May 11, 1976·5 cites·36 claims
- 4157US2008136925A1Image pickup apparatusCANON KK·Filed 2008·Application pending·0 cites
- 4256US4758082ADistance detection apparatusCANON KK·Filed 1986·Granted Jul 19, 1988·19 cites·12 claims
- 4356US4079398ASelf-timerCANON KK·Filed 1975·Granted Mar 14, 1978·4 cites·17 claims
- 4455US7388604B2Image pickup device and apparatus including vibration correction meansCANON KK·Filed 2003·Granted Jun 17, 2008·2 cites·2 claims
- 4554US4760419ADistance measuring apparatusCANON KK·Filed 1986·Granted Jul 26, 1988·13 cites·5 claims
- 4651US4682886ADistance measuring deviceCANON KK·Filed 1986·Granted Jul 28, 1987·11 cites·53 claims
- 4748US4994920ADevice for focus detection with weightings of the focus detecting signals of plural focus detectorsCANON KK·Filed 1989·Granted Feb 19, 1991·9 cites·38 claims
- 4848US4066346AMotion picture camera with a built in color conversion filterCANON KK·Filed 1976·Granted Jan 3, 1978·3 cites·10 claims
- 4947US4351590AMotion picture camera with automatic focusing deviceCANON KK·Filed 1980·Granted Sep 28, 1982·10 cites·6 claims
- 5046US5164835AAutomatic focusing deviceCANON KK·Filed 1992·Granted Nov 17, 1992·10 cites·29 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →