Inventor · disambiguated record
Hirofumi Hirano
Also filed as: HIRANO HIROFUMI
59 granted patents·4 pending applications·2,081 citations·filing 1981–2023
99Inventor score
Top patents by PatentIndex Score
63 records- 0199US5182581AInk jet recording unit having an ink tank section containing porous material and a recording head sectionCANON KK·Filed 1991·Granted Jan 26, 1993·312 cites·44 claims
- 0298US6577818B2Information processing method, information processing system, electronic device, and cartridgeCANON KK·Filed 2001·Granted Jun 10, 2003·93 cites·22 claims
- 0398US6540321B1Ink tank, ink-jet cartridge, ink-supplying apparatus, ink-jet printing apparatus and method for supplying inkCANON KK·Filed 2000·Granted Apr 1, 2003·108 cites·49 claims
- 0497US5245361AMountain arrangement for positioning an ink jet recording head with integral ink tank when the head is mounted to a carriageCANON KK·Filed 1989·Granted Sep 14, 1993·118 cites·15 claims
- 0596US5731829AInformation processing and recording apparatus with two recording medium conveyance routesCANON KK·Filed 1996·Granted Mar 24, 1998·127 cites·29 claims
- 0696US5485991AAutomatic sheet feeding apparatusCANON KK·Filed 1994·Granted Jan 23, 1996·64 cites·27 claims
- 0795US6755500B2Ink tank, ink-jet cartridge, ink-supplying apparatus, ink-jet printing apparatus and method for supplying inkCANON KK·Filed 2002·Granted Jun 29, 2004·58 cites·11 claims
- 0895US6637872B2Ink tank, ink jet recording head, ink jet cartridge, and ink jet recording apparatusCANON KK·Filed 2001·Granted Oct 28, 2003·64 cites·7 claims
- 0994US6447084B1Ink-jet printing apparatus, ink-supplying apparatus and method for supplying inkCANON KK·Filed 2000·Granted Sep 10, 2002·56 cites·38 claims
- 1093US6629758B2Joint device, ink jet recording apparatus having the same, and ink supplying device and methodCANON KK·Filed 2001·Granted Oct 7, 2003·53 cites·18 claims
- 1192US6474797B2Ink supply system and ink-jet recording apparatusCANON KK·Filed 2001·Granted Nov 5, 2002·48 cites·9 claims
- 1292US6246466B1Sheet pack and recording apparatusCANON KK·Filed 1999·Granted Jun 12, 2001·47 cites·26 claims
- 1392US5018884ARecording apparatus in which a plurality of carriages can be connected and separatedCANON KK·Filed 1989·Granted May 28, 1991·56 cites·20 claims
- 1490USD464672SInk paper packFiled 2001·Granted Oct 22, 2002·40 cites·1 claims
- 1589US6523933B1Media cartridge and image recording apparatus with detachably mountable media cartridgeCANON KK·Filed 2000·Granted Feb 25, 2003·35 cites·112 claims
- 1686US5717444ASuction recovery device and ink jet recording apparatus using the deviceCANON KK·Filed 1996·Granted Feb 10, 1998·54 cites·51 claims
- 1782US6019452AInk suction pump and ink jet recording apparatus equipped therewithCANON KK·Filed 1995·Granted Feb 1, 2000·39 cites·5 claims
- 1880US5454555ARecording apparatusCANON KK·Filed 1994·Granted Oct 3, 1995·35 cites·28 claims
- 1978US5861901AInk jet cartridge and ink jet recording apparatusCANON KK·Filed 1995·Granted Jan 19, 1999·29 cites·13 claims
- 2077US5731826AInk jet recording apparatus, ink jet recording head therefor and method for determining the ejection state thereofCANON KK·Filed 1994·Granted Mar 24, 1998·29 cites·24 claims
- 2177US5105210AInk jet recording apparatus expandable to accommodate variable sheet widthsCANON KK·Filed 1989·Granted Apr 14, 1992·30 cites·36 claims
- 2275US5847731AInk jet cartridge having protected positioning portionsCANON KK·Filed 1994·Granted Dec 8, 1998·24 cites·5 claims
- 2375US5187497AInk jet recording apparatus having gap adjustment between the recording head and recording mediumCANON KK·Filed 1992·Granted Feb 16, 1993·28 cites·10 claims
- 2474US6120127ARecording apparatus with ink tank movable relative to recording headCANON KK·Filed 1997·Granted Sep 19, 2000·59 cites·16 claims
- 2574US5777634AApparatus or instrument including scanning type functional elementCANON KK·Filed 1995·Granted Jul 7, 1998·31 cites·45 claims
- 2674US5689293AInk jet head capping deviceCANON KK·Filed 1993·Granted Nov 18, 1997·30 cites·15 claims
- 2773USD467964SInk paper packCANON KK·Filed 2001·Granted Dec 31, 2002·18 cites·1 claims
- 2873US5534894AInk jet recording medium discharging mechanism including resilently biased follower rollerCANON KK·Filed 1995·Granted Jul 9, 1996·26 cites·15 claims
- 2971US5235353ACompact ink jet recording apparatus with particular design for recording medium conveyance and supportCANON KK·Filed 1992·Granted Aug 10, 1993·27 cites·3 claims
- 3069US5702191ASheet feeding force control in a multiple input path sheet feeding apparatusCANON KK·Filed 1994·Granted Dec 30, 1997·17 cites·53 claims
- 3169US5148203AInk jet recording apparatus including a drive mechanism for an ink ejection recovery systemsCANON KK·Filed 1990·Granted Sep 15, 1992·25 cites·5 claims
- 3269US4707159ASerial printer including a laterally reciprocable recording head, paper bail control, paper detection and feeding means, a multicolor ink ribbon including a head cleaning zone, a ribbon cassette and ribbon shift meansCANON KK·Filed 1985·Granted Nov 17, 1987·20 cites·14 claims
- 3368US5479194AInk jet recording apparatus having gap adjustment between the recording head and recording mediumCANON KK·Filed 1992·Granted Dec 26, 1995·20 cites·2 claims
- 3467US6286932B1Recording apparatus and gradation recording methodCANON KK·Filed 1997·Granted Sep 11, 2001·23 cites·13 claims
- 3566US6769763B2Cylinder pump, an ink jet printing system using the cylinder pump and a photograph assembly having the printing systemCANON KK·Filed 2001·Granted Aug 3, 2004·10 cites·14 claims
- 3665US5949443AEquipment with scanning type carrierCANON KK·Filed 1997·Granted Sep 7, 1999·22 cites·18 claims
- 3765US4773782AApparatus for transferring sheet materialCANON KK·Filed 1986·Granted Sep 27, 1988·13 cites·11 claims
- 3864US5384586AInk jet recording apparatus operable in two positionsCANON KK·Filed 1992·Granted Jan 24, 1995·16 cites·10 claims
- 3964US5166708ARecording apparatus having plural suction recovery capsCANON KK·Filed 1991·Granted Nov 24, 1992·16 cites·11 claims
- 4064US5090827AMechanism for moving thermal head on carriageCANON KK·Filed 1990·Granted Feb 25, 1992·19 cites·24 claims
- 4163US5883645ARecovery mechanism and an ink jet recording apparatus using the recovery mechanismCANON KK·Filed 1992·Granted Mar 16, 1999·18 cites·30 claims
- 4263US2005159984A1Medical data management systemFiled 2004·Application pending·0 cites
- 4362US5710580AInk jet recording head and ink jet recording apparatus provided with the recording headCANON KK·Filed 1997·Granted Jan 20, 1998·19 cites·91 claims
- 4461US5757397ARecovery mechanism and ink jet recording apparatus equipped therewithCANON KK·Filed 1993·Granted May 26, 1998·14 cites·5 claims
- 4558US6929356B2Container of consumable supplies for a printer and printer utilizing the containerCANON KK·Filed 2002·Granted Aug 16, 2005·7 cites·5 claims
- 4658US6739694B2Printer utilizing inkjet recording headCANON KK·Filed 2002·Granted May 25, 2004·7 cites·13 claims
- 4758US2016169464A1Lighting fixtureYAMASE ELECTRIC CO LTD·Filed 2014·Application pending·0 cites
- 4854US5913510ARecording apparatusCANON KK·Filed 1997·Granted Jun 22, 1999·12 cites·6 claims
- 4953US2025189190A1Air conditionerFUJITSU GENERAL LTD·Filed 2023·Application pending·0 cites
- 5052US5531531APaper feed device for a recording apparatusCANON KK·Filed 1994·Granted Jul 2, 1996·8 cites·13 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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