Inventor · disambiguated record
Hirofumi Hasegawa
Also filed as: HASEGAWA HIROFUMI
33 granted patents·707 citations·filing 1985–2005
98Inventor score
Top patents by PatentIndex Score
33 records- 0196US4972236ACompact image forming apparatus for double-sided and composite copyingMINOLTA CAMERA KK·Filed 1990·Granted Nov 20, 1990·69 cites·31 claims
- 0294US5057868ADeveloping apparatus having a sealing construction for preventing a toner leakageMINOLTA CAMERA KK·Filed 1990·Granted Oct 15, 1991·57 cites·14 claims
- 0394US4945390AImage-forming apparatusMINOLTA CAMERA KK·Filed 1989·Granted Jul 31, 1990·49 cites·6 claims
- 0493US5221943AImage forming apparatusMINOLTA CAMERA KK·Filed 1992·Granted Jun 22, 1993·49 cites·31 claims
- 0589US5253028AImage forming apparatus having a plurality of vertically stacked image forming units and providing easily conducted jam clearing and maintenanceMINOLTA CAMERA KK·Filed 1991·Granted Oct 12, 1993·42 cites·20 claims
- 0689US5162845AImage forming apparatusMINOLTA CAMERA KK·Filed 1991·Granted Nov 10, 1992·42 cites·12 claims
- 0785US4751376AImage reader with focus and magnification detection controlMINOLTA CAMERA KK·Filed 1986·Granted Jun 14, 1988·48 cites·22 claims
- 0883US5150167AImage forming apparatusMINOLTA CAMERA KK·Filed 1991·Granted Sep 22, 1992·66 cites·11 claims
- 0980US5343223AImage forming apparatusMINOLTA CAMERA KK·Filed 1991·Granted Aug 30, 1994·27 cites·19 claims
- 1074US7431374B2Wheeled vehicle with coversYAMAHA MOTOR CO LTD·Filed 2005·Granted Oct 7, 2008·10 cites·17 claims
- 1171US5754926ACharging deviceMINOLTA CO LTD·Filed 1996·Granted May 19, 1998·21 cites·19 claims
- 1269US4870294AImage scanning apparatus with expanded magnification capabilityMINOLTA CAMERA KK·Filed 1988·Granted Sep 26, 1989·22 cites·7 claims
- 1368US5243390ADevice for conveying developer in a developing deviceMINOLTA CAMERA KK·Filed 1992·Granted Sep 7, 1993·16 cites·16 claims
- 1467US7374007B2Wheeled vehicle with leg shieldYAMAHA MOTOR CO LTD·Filed 2005·Granted May 20, 2008·5 cites·17 claims
- 1563US5048106AImage readerMINOLTA CAMERA KK·Filed 1990·Granted Sep 10, 1991·22 cites·7 claims
- 1663US4922087AImage reader capable of calculating the real focal length of a projecting lensMINOLTA CAMERA KK·Filed 1988·Granted May 1, 1990·18 cites·7 claims
- 1762US5697017AImage forming apparatus having process cartridge with shutter and cleaning memberLEXMARK INT INC·Filed 1995·Granted Dec 9, 1997·18 cites·24 claims
- 1860US5150166AImage forming system including attachable sheet supplying units for transporting sheets directly to an image forming partMINOLTA CAMERA KK·Filed 1989·Granted Sep 22, 1992·12 cites·4 claims
- 1960US4982205ALaser beam scanner in which the line scan time is maintained constant by decreasing the rotating speed of a scanning element as the number of reflective facets thereon increasesMINOLTA CAMERA KK·Filed 1988·Granted Jan 1, 1991·15 cites·26 claims
- 2060US4837846AMethod of the image processingMINOLTA CAMERA KK·Filed 1985·Granted Jun 6, 1989·16 cites·2 claims
- 2152US5084760ACopying machine providing copy paper corresponding to read image areaMINOLTA CAMERA KK·Filed 1989·Granted Jan 28, 1992·11 cites·14 claims
- 2250US4974921ALight beam scanning apparatusMINOLTA CAMERA KK·Filed 1988·Granted Dec 4, 1990·13 cites·16 claims
- 2348US5017961AImage forming apparatus with use of a laser beamMINOLTA CAMERA KK·Filed 1989·Granted May 21, 1991·7 cites·16 claims
- 2447US5047805ADeveloping device having a space for receiving and increasing pressure of toner received thereinMINOLTA CAMERA KK·Filed 1990·Granted Sep 10, 1991·7 cites·16 claims
- 2545US5153645APosition indexing indicators for editing an image forming apparatusMINOLTA CAMERA KK·Filed 1990·Granted Oct 6, 1992·9 cites·15 claims
- 2645US4978977ALaser scanner with conjugate condition lensMINOLTA CAMERA KK·Filed 1989·Granted Dec 18, 1990·10 cites·5 claims
- 2743US5051757AOptical scanning with cylindrical lens and beam slitMINOLTA CAMERA KK·Filed 1990·Granted Sep 24, 1991·8 cites·19 claims
- 2843US5006934ACopying machine capable of storing image dataMINOLTA CAMERA KK·Filed 1990·Granted Apr 9, 1991·8 cites·9 claims
- 2940US4924269AOriginal illuminating apparatusMINOLTA CAMERA KK·Filed 1988·Granted May 8, 1990·4 cites·16 claims
- 3033US5025286ALaser beam image forming apparatus with SOS DetectionMINOLTA CAMERA KK·Filed 1989·Granted Jun 18, 1991·2 cites·10 claims
- 3132US5122817AElectrophotographic recorder using a modulated laser beam to scan the originalHASEGAWA HIROFUMI·Filed 1991·Granted Jun 16, 1992·4 cites·8 claims
- 3230US4965870AImage forming apparatus with use of a laser beamMINOLTA CAMERA KK·Filed 1989·Granted Oct 23, 1990·0 cites·7 claims
- 3330US4916480AImage forming apparatus with use of a laser beamMINOLTA CAMERA KK·Filed 1989·Granted Apr 10, 1990·0 cites·11 claims
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