Inventor · disambiguated record
Yozo Fujii
Also filed as: FUJII YOZO
24 granted patents·428 citations·filing 1979–1998
96Inventor score
Top patents by PatentIndex Score
24 records- 0189US5903806ADeveloping agent replenishing apparatus and cartridgeKONISHIROKU PHOTO IND·Filed 1997·Granted May 11, 1999·48 cites·39 claims
- 0286US5291223AExposure unit for a multicolor image forming apparatus capable of better registration of the multicolor imagesKONISHIROKU PHOTO IND·Filed 1992·Granted Mar 1, 1994·38 cites·9 claims
- 0383US5828934ADriving device of developing units and toner replenishing units for use in image forming apparatusKONISHIROKU PHOTO IND·Filed 1996·Granted Oct 27, 1998·36 cites·13 claims
- 0482USD403348SToner containerKONICA CORP·Filed 1997·Granted Dec 29, 1998·25 cites·1 claims
- 0582US5585898ADeveloping unit driving mechanism in use with a color image forming apparatusKONISHIROKU PHOTO IND·Filed 1995·Granted Dec 17, 1996·34 cites·8 claims
- 0680US5589919AToner cartridge and color image forming apparatus in use therewithKONISHIROKU PHOTO IND·Filed 1995·Granted Dec 31, 1996·32 cites·16 claims
- 0780US5381167AColor image forming apparatusKONISHIROKU PHOTO IND·Filed 1992·Granted Jan 10, 1995·55 cites·6 claims
- 0878US5486898AColor image forming apparatus with photoreceptor protectorKONISHIROKU PHOTO IND·Filed 1994·Granted Jan 23, 1996·24 cites·25 claims
- 0969US5153653AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1990·Granted Oct 6, 1992·18 cites·16 claims
- 1069US4444488AAdjustable mirror support for copying apparatusKONISHIROKU PHOTO IND·Filed 1982·Granted Apr 24, 1984·9 cites·2 claims
- 1167US5722020ADeveloper container and developer supplying apparatusKONISHIROKU PHOTO IND·Filed 1996·Granted Feb 24, 1998·19 cites·16 claims
- 1263US5323211ADriving device of rotational body for use in image forming apparatusKONISHIROKU PHOTO IND·Filed 1993·Granted Jun 21, 1994·13 cites·7 claims
- 1363US4448514ASplit exposure optical system for copying machineKONISHIROKU PHOTO IND·Filed 1982·Granted May 15, 1984·7 cites·2 claims
- 1460US6102386AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Aug 15, 2000·14 cites·5 claims
- 1558US5065693ADeveloping deviceKONISHIROKU PHOTO IND·Filed 1991·Granted Nov 19, 1991·12 cites·20 claims
- 1656US5276491AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1991·Granted Jan 4, 1994·11 cites·7 claims
- 1756US4806989AOptical correction deviceKONISHIROKU PHOTO IND·Filed 1987·Granted Feb 21, 1989·10 cites·16 claims
- 1856US4636058AExposure optical apparatusKONISHIROKU PHOTO IND·Filed 1984·Granted Jan 13, 1987·5 cites·12 claims
- 1950US5182602AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1991·Granted Jan 26, 1993·9 cites·6 claims
- 2047US4248794AProcess for producing 2-amino-4-acylaminophenyl etherSUMITOMO CHEMICAL CO·Filed 1979·Granted Feb 3, 1981·3 cites·9 claims
- 2140US4408867AOptical scanning unit driving device for electrophotographic reproducing apparatusKONISHIROKU PHOTO IND·Filed 1982·Granted Oct 11, 1983·2 cites·2 claims
- 2232US4432633AElectrophotographic reproducing apparatusKONISHIROKU PHOTO IND·Filed 1982·Granted Feb 21, 1984·2 cites·11 claims
- 2331US5172174ATransfer device with insulated shieldKONISHIROKU PHOTO IND·Filed 1990·Granted Dec 15, 1992·2 cites·12 claims
- 2430US4796059AImage forming apparatus with magnification changing deviceKONISHIROKU PHOTO IND·Filed 1988·Granted Jan 3, 1989·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →