Inventor · disambiguated record
Katsushi Furuichi
Also filed as: FURUICHI KATSUSHI · KAWAKUBO KAZUO · OHKUBO MASHARU
24 granted patents·427 citations·filing 1974–1994
96Inventor score
Files withCANON KK24
Top patents by PatentIndex Score
24 records- 0196US4204728AMethod and apparatus for color conversionCANON KK·Filed 1978·Granted May 27, 1980·54 cites·48 claims
- 0291US4505579AVariable magnification copying machineCANON KK·Filed 1982·Granted Mar 19, 1985·35 cites·19 claims
- 0390US4477178AImage forming apparatusCANON KK·Filed 1979·Granted Oct 16, 1984·28 cites·5 claims
- 0490US4222660AImage forming device with automatic mode settingCANON KK·Filed 1978·Granted Sep 16, 1980·30 cites·21 claims
- 0584US4579327ASheet handling deviceCANON KK·Filed 1983·Granted Apr 1, 1986·27 cites·17 claims
- 0684US4449812APaper leaf handling apparatusCANON KK·Filed 1981·Granted May 22, 1984·25 cites·21 claims
- 0779US5164770AImage forming apparatus having feeding error detection and feeding error displayCANON KK·Filed 1990·Granted Nov 17, 1992·25 cites·18 claims
- 0879US4370052ACopying apparatus with detachable sorterCANON KK·Filed 1980·Granted Jan 25, 1983·22 cites·28 claims
- 0977US3999851AAntijamming safety device for copying machineCANON KK·Filed 1974·Granted Dec 28, 1976·14 cites·10 claims
- 1077US3937921ATemperature control systemCANON KK·Filed 1974·Granted Feb 10, 1976·21 cites·17 claims
- 1176US4260241ACopying apparatusCANON KK·Filed 1979·Granted Apr 7, 1981·16 cites·39 claims
- 1273US5481335AImage forming apparatus having error detection with automatic error displayCANON KK·Filed 1994·Granted Jan 2, 1996·17 cites·11 claims
- 1373US4540170APaper feed control deviceCANON KK·Filed 1984·Granted Sep 10, 1985·18 cites·9 claims
- 1473US4016529ABody detecting deviceCANON KK·Filed 1975·Granted Apr 5, 1977·26 cites·15 claims
- 1572US4568177AAutomatic original handling apparatusCANON KK·Filed 1984·Granted Feb 4, 1986·10 cites·17 claims
- 1672US4437756ADouble-side image forming apparatusCANON KK·Filed 1982·Granted Mar 20, 1984·17 cites·17 claims
- 1762US4952988AImage forming apparatus having display device for displaying predetermined dataCANON KK·Filed 1989·Granted Aug 28, 1990·11 cites·14 claims
- 1859US4305654AApparatus for controlling image formationCANON KK·Filed 1978·Granted Dec 15, 1981·7 cites·13 claims
- 1955US4248529AAutomatic image original handling deviceCANON KK·Filed 1979·Granted Feb 3, 1981·7 cites·26 claims
- 2053US4845528ADouble-side image forming apparatusCANON KK·Filed 1987·Granted Jul 4, 1989·9 cites·10 claims
- 2142US3977782AWarmth keeping method for copying machineCANON KK·Filed 1974·Granted Aug 31, 1976·3 cites·6 claims
- 2239US4219271AImage forming method and device for controlling image densityCANON KK·Filed 1978·Granted Aug 26, 1980·3 cites·35 claims
- 2336US4685796AApparatus for controlling image formationCANON KK·Filed 1984·Granted Aug 11, 1987·2 cites·11 claims
- 2430USRE35274EVariable magnification copying machineCANON KK·Filed 1986·Granted Jun 18, 1996·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →