Inventor · disambiguated record
Kazuhiko Hirooka
Also filed as: HIROOKA KAZUHIKO
20 granted patents·689 citations·filing 1985–2000
96Inventor score
Files withCANON KK20
Top patents by PatentIndex Score
20 records- 0196US6385406B1Sheet detecting apparatus with correction means for sheet surface condition and sheet thicknessCANON KK·Filed 2000·Granted May 7, 2002·72 cites·18 claims
- 0295US5465163AImage processing method and apparatus for processing oversized original images and for synthesizing multiple imagesCANON KK·Filed 1992·Granted Nov 7, 1995·193 cites·28 claims
- 0394US4615612AColor image forming apparatusCANON KK·Filed 1985·Granted Oct 7, 1986·49 cites·5 claims
- 0493US6397035B2Image forming apparatus with control of conveying speedsCANON KK·Filed 1999·Granted May 28, 2002·67 cites·19 claims
- 0592US6311039B1Sheet conveying apparatus and image forming apparatus provided with the sameCANON KK·Filed 1999·Granted Oct 30, 2001·50 cites·34 claims
- 0685US4697915AImage forming apparatus with detecting and controlling meansCANON KK·Filed 1985·Granted Oct 6, 1987·28 cites·7 claims
- 0783US4989039AImage forming apparatus responsive to environmental conditionsCANON KK·Filed 1988·Granted Jan 29, 1991·23 cites·11 claims
- 0876US5710959AImage forming apparatus having a function of turning on a power supply using a timerCANON KK·Filed 1996·Granted Jan 20, 1998·26 cites·9 claims
- 0976US5081528AImage forming apparatusCANON KK·Filed 1991·Granted Jan 14, 1992·21 cites·28 claims
- 1070US5253082AImage forming apparatusCANON KK·Filed 1991·Granted Oct 12, 1993·31 cites·29 claims
- 1169US5638183AImage forming apparatus with selectively controlled resolutionCANON KK·Filed 1993·Granted Jun 10, 1997·29 cites·57 claims
- 1263US5488463AImage forming apparatus to form images onto a sheet a plurality of timesCANON KK·Filed 1994·Granted Jan 30, 1996·14 cites·29 claims
- 1357US5905581AImage forming apparatusCANON KK·Filed 1994·Granted May 18, 1999·16 cites·51 claims
- 1456US5734484AImage processing apparatus for receiving multicolor image information and generating two-color image informationCANON KK·Filed 1993·Granted Mar 31, 1998·15 cites·10 claims
- 1551US6462834B1Image processing system which forms two-color imagesCANON KK·Filed 1998·Granted Oct 8, 2002·15 cites·8 claims
- 1650US5473415AImage forming apparatus having a converter for image data characteristicsCANON KK·Filed 1995·Granted Dec 5, 1995·8 cites·31 claims
- 1748US5699167AImage forming apparatus which outputs a color image by separating color image information into at least two color componentsCANON KK·Filed 1994·Granted Dec 16, 1997·9 cites·19 claims
- 1845US5574563AMethod and apparatus for forming images at different degrees of resolutionCANON KK·Filed 1995·Granted Nov 12, 1996·10 cites·14 claims
- 1943US5272544ADigital/analog converter and image processing apparatus using the sameCANON KK·Filed 1991·Granted Dec 21, 1993·8 cites·10 claims
- 2038US6134023AImage forming apparatus which outputs a color image by separating color image information into at least two color componentsCANON KK·Filed 1997·Granted Oct 17, 2000·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →