Inventor · disambiguated record
Mitsuhiro Tokuhara
Also filed as: TOKUHARA MITSUHIRO
27 granted patents·310 citations·filing 1978–1990
96Inventor score
Files withCANON KK27
Top patents by PatentIndex Score
27 records- 0186US4734762AColor image reading apparatus with a plurality of line sensors in which a white balance operation is performed by determining amplifier gains while reading a white reference plateCANON KK·Filed 1987·Granted Mar 29, 1988·53 cites·11 claims
- 0283US4793699AProjection apparatus provided with an electro-mechanical transducer elementCANON KK·Filed 1988·Granted Dec 27, 1988·56 cites·17 claims
- 0375US4560999APrinter head and electrophotographic printer utilizing the sameCANON KK·Filed 1983·Granted Dec 24, 1985·33 cites·20 claims
- 0461US4364658AScanning illuminatorCANON KK·Filed 1981·Granted Dec 21, 1982·7 cites·7 claims
- 0560US4641944AImage exposing apparatusCANON KK·Filed 1985·Granted Feb 10, 1987·8 cites·7 claims
- 0660US4497573AVariable magnification optical apparatusCANON KK·Filed 1982·Granted Feb 5, 1985·11 cites·37 claims
- 0757US4455577AOriginal readerCANON KK·Filed 1982·Granted Jun 19, 1984·11 cites·4 claims
- 0857US4247167ADichroic mirror with at least ten layersCANON KK·Filed 1978·Granted Jan 27, 1981·13 cites·6 claims
- 0956US4833721AImage processing apparatusCANON KK·Filed 1988·Granted May 23, 1989·27 cites·11 claims
- 1055US4624555ASlit exposure projection deviceCANON KK·Filed 1985·Granted Nov 25, 1986·16 cites·20 claims
- 1153US4586814AVariable power projecting deviceCANON KK·Filed 1983·Granted May 6, 1986·8 cites·6 claims
- 1251US4259688ATV cameraCANON KK·Filed 1979·Granted Mar 31, 1981·8 cites·3 claims
- 1350US4536084AProjection deviceCANON KK·Filed 1984·Granted Aug 20, 1985·7 cites·10 claims
- 1447US4429353AScanning illuminating deviceCANON KK·Filed 1981·Granted Jan 31, 1984·4 cites·4 claims
- 1543US4457616AVariable magnification optical apparatusCANON KK·Filed 1982·Granted Jul 3, 1984·5 cites·2 claims
- 1642US4634233AMethod of forming a light source by the use of a refractive index distribution type lens and light source deviceCANON KK·Filed 1984·Granted Jan 6, 1987·7 cites·5 claims
- 1742US4350433AScanning illuminatorCANON KK·Filed 1981·Granted Sep 21, 1982·3 cites·6 claims
- 1840US4719488AImaging optical system using distributed index optical elementsCANON KK·Filed 1985·Granted Jan 12, 1988·8 cites·2 claims
- 1940US4459016AProjection deviceCANON KK·Filed 1982·Granted Jul 10, 1984·4 cites·13 claims
- 2039US4384766AOptical system for copyingCANON KK·Filed 1981·Granted May 24, 1983·6 cites·4 claims
- 2136US4702586ACopy board apparatusCANON KK·Filed 1986·Granted Oct 27, 1987·3 cites·8 claims
- 2234US4679931AElectrophotographic apparatusCANON KK·Filed 1986·Granted Jul 14, 1987·2 cites·8 claims
- 2334US4474461ACopying apparatus having a magnification changing functionCANON KK·Filed 1982·Granted Oct 2, 1984·2 cites·7 claims
- 2433US4588283AElectrophotographic copying apparatus with original light detectorCANON KK·Filed 1984·Granted May 13, 1986·2 cites·24 claims
- 2533US4560242AVariable magnification optical systemCANON KK·Filed 1984·Granted Dec 24, 1985·3 cites·21 claims
- 2633US4263613ATelevision cameraCANON KK·Filed 1979·Granted Apr 21, 1981·2 cites·3 claims
- 2731US5099282AVariable magnification image forming apparatusCANON KK·Filed 1990·Granted Mar 24, 1992·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →