Inventor · disambiguated record
Haruo Fujii
Also filed as: FUJII HARUO
29 granted patents·689 citations·filing 1982–2002
97Inventor score
Top patents by PatentIndex Score
29 records- 0197US4478510ACleaning device for modulation control meansCANON KK·Filed 1982·Granted Oct 23, 1984·73 cites·16 claims
- 0296US4491855AImage recording method and apparatusCANON KK·Filed 1982·Granted Jan 1, 1985·113 cites·9 claims
- 0391US5414493AImage forming apparatusCANON KK·Filed 1994·Granted May 9, 1995·39 cites·13 claims
- 0487US5307127ADeveloping apparatus using one component toner with improved flowabilityCANON KK·Filed 1993·Granted Apr 26, 1994·35 cites·20 claims
- 0586US5471284AImage forming apparatus having toner depletion detection featureCANON KK·Filed 1994·Granted Nov 28, 1995·28 cites·17 claims
- 0685US5508796AImage forming apparatus with select relation among distances in recording material conveyance pathCANON KK·Filed 1994·Granted Apr 16, 1996·32 cites·9 claims
- 0783US5390012AImage forming apparatus having transfer material carrying memberCANON KK·Filed 1992·Granted Feb 14, 1995·28 cites·56 claims
- 0882US5678130ADeveloping apparatus including a control function for applied periodic developing bias fieldCANON KK·Filed 1996·Granted Oct 14, 1997·32 cites·12 claims
- 0982US5523829AImage forming apparatus having recording material carrying memberCANON KK·Filed 1993·Granted Jun 4, 1996·27 cites·43 claims
- 1080US4682880AMulticolor image recording method and device utilizing a single image transfer to the recording materialCANON KK·Filed 1985·Granted Jul 28, 1987·23 cites·9 claims
- 1178US5229821AProcess cartridge with toner depletion detection feature and image forming apparatus using the sameCANON KK·Filed 1991·Granted Jul 20, 1993·24 cites·6 claims
- 1277US6760051B2Image forming apparatus with switching elementsCANON KK·Filed 2002·Granted Jul 6, 2004·19 cites·18 claims
- 1377US5873010AImage forming apparatus for performing correction control, based on density of toner imageCANON KK·Filed 1994·Granted Feb 16, 1999·22 cites·8 claims
- 1473US5974281AImage forming apparatus using intermediate transfer memberCANON KK·Filed 1998·Granted Oct 26, 1999·22 cites·38 claims
- 1573US4739348ARecording head assembly using magnetic toner and image forming apparatus using the sameCANON KK·Filed 1987·Granted Apr 19, 1988·19 cites·30 claims
- 1671US5666588AImage forming apparatus for performing image density controlCANON KK·Filed 1996·Granted Sep 9, 1997·21 cites·29 claims
- 1770US5559591AImage forming apparatus with function of requesting exchange of fixing unitCANON KK·Filed 1995·Granted Sep 24, 1996·20 cites·3 claims
- 1870US4658275AImage forming apparatusCANON KK·Filed 1985·Granted Apr 14, 1987·18 cites·15 claims
- 1966US4766468ADeveloping method and apparatus for a photocopierCANON KK·Filed 1987·Granted Aug 23, 1988·14 cites·21 claims
- 2062US5155364ASolid-liquid reversible scintillator and method of using the samePACKARD INSTR BV·Filed 1989·Granted Oct 13, 1992·13 cites·5 claims
- 2158US5543900AImage forming apparatus which reduces toner fusion on an image bearing memberCANON KK·Filed 1994·Granted Aug 6, 1996·11 cites·10 claims
- 2256US5666597AImage forming apparatus with delayed discharge by discharge meansCANON KK·Filed 1996·Granted Sep 9, 1997·12 cites·42 claims
- 2355US4502061AImage forming apparatusCANON KK·Filed 1982·Granted Feb 26, 1985·9 cites·11 claims
- 2454US5032852AImage forming apparatusCANON KK·Filed 1990·Granted Jul 16, 1991·10 cites·7 claims
- 2550US4573061AImage recording apparatusCANON KK·Filed 1984·Granted Feb 25, 1986·7 cites·5 claims
- 2644US5548381ADeveloping apparatus forming alternating electric field between image bearing member and toner carrying memberCANON KK·Filed 1994·Granted Aug 20, 1996·6 cites·6 claims
- 2739US5313064ASolid-liquid reversible scintillator and method of using the samePACKARD INSTR BV·Filed 1992·Granted May 17, 1994·4 cites·71 claims
- 2838US4590496AImage recording apparatusCANON KK·Filed 1984·Granted May 20, 1986·3 cites·8 claims
- 2937US6101286AImage processing apparatus and method having improved color-boundary mixingCANON KK·Filed 1996·Granted Aug 8, 2000·5 cites·14 claims
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