Inventor · disambiguated record
Akihiro Fujita
Also filed as: FUJITA AKIHIRO
59 granted patents·3 pending applications·1,641 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
62 records- 0198US6079485AVehicle air-conditioning system with seat heating and cooling deviceHONDA MOTOR CO LTD·Filed 1998·Granted Jun 27, 2000·314 cites·7 claims
- 0293US5471008AMIDI control apparatusKAWAI MUSICAL INSTR MFG CO·Filed 1994·Granted Nov 28, 1995·87 cites·13 claims
- 0392US6556479B2Nonvolatile semiconductor memory deviceHITACHI LTD·Filed 2002·Granted Apr 29, 2003·70 cites·18 claims
- 0491US5943233AInput device for a computer and the like and input processing methodSHARP KK·Filed 1995·Granted Aug 24, 1999·186 cites·15 claims
- 0590US5921214AIntake device for an internal combustion engineSUZUKI MOTOR CO·Filed 1998·Granted Jul 13, 1999·55 cites·4 claims
- 0690US4830494AMethod and apparatus for measuring particles in a fluidKOWA CO·Filed 1987·Granted May 16, 1989·77 cites·29 claims
- 0788US5884860ARolled paper feeding apparatus which provides a constant torque for uncurling paper and a torque limiting device thereforRICOH KK·Filed 1996·Granted Mar 23, 1999·40 cites·14 claims
- 0886US6326948B1Input deviceSHARP KK·Filed 1998·Granted Dec 4, 2001·121 cites·45 claims
- 0985US8175298B2Audio output system control method and audio output systemMITANI AKIHIRO·Filed 2006·Granted May 8, 2012·32 cites·16 claims
- 1084US7931119B2Support structure for exhaust pipeSUZUKI MOTOR CORP·Filed 2010·Granted Apr 26, 2011·10 cites·6 claims
- 1184US7891657B2Sheet feeder, image forming apparatus, and sheet feeding method, utilizing sheet deformation prevention memberRICOH CO LTD·Filed 2007·Granted Feb 22, 2011·8 cites·19 claims
- 1283US5182639AReal-time analytic pseudocolor encoder systemJUTAMULIA SUGANDA·Filed 1991·Granted Jan 26, 1993·73 cites·20 claims
- 1382US7505714B2Image forming deviceRICOH KK·Filed 2005·Granted Mar 17, 2009·8 cites·10 claims
- 1482US7476797B2Resonance generatorKAWAI MUSICAL INSTR MFG CO·Filed 2007·Granted Jan 13, 2009·14 cites·40 claims
- 1581US8186824B2Image forming apparatus with leading-edge detection sensorFUJITA AKIHIRO·Filed 2008·Granted May 29, 2012·6 cites·14 claims
- 1681US5995631ASound image localization apparatus, stereophonic sound image enhancement apparatus, and sound image control systemKAWAI MUSICAL INSTR MFG CO·Filed 1997·Granted Nov 30, 1999·83 cites·11 claims
- 1780US7611138B2Paper feeder and image forming apparatus using the sameRICOH KK·Filed 2005·Granted Nov 3, 2009·7 cites·16 claims
- 1880US6480415B2Nonvolatile semiconductor memory deviceHITACHI LTD·Filed 2001·Granted Nov 12, 2002·25 cites·3 claims
- 1979US8695967B2Sheet feeder and image forming apparatus including sameFUJITA AKIHIRO·Filed 2012·Granted Apr 15, 2014·4 cites·6 claims
- 2076US12350936B2Liquid discharge head and liquid discharge apparatusFUJITA AKIHIRO·Filed 2023·Granted Jul 8, 2025·0 cites·12 claims
- 2175US6300940B1Input device for a computer and the like and input processing methodSHARP KK·Filed 1999·Granted Oct 9, 2001·67 cites·27 claims
- 2274US5811797APhotoreflective detector including a light emitting element and a light recieving element located at different distances from an object reflecting light from the emitting elementSHARP KK·Filed 1996·Granted Sep 22, 1998·39 cites·30 claims
- 2370US8452044B2Printed matter, image processing apparatus, printed matter authenticity determination apparatus, image processing method, printed matter authenticity determination method, and programYOGO YOSHIO·Filed 2007·Granted May 28, 2013·3 cites·5 claims
- 2468US8038921B2Process for producing molded object with embedded memberMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Oct 18, 2011·3 cites·8 claims
- 2568US6079708ASheet feeding apparatus with skew correction for fed sheetsRICOH KK·Filed 1998·Granted Jun 27, 2000·17 cites·21 claims
- 2667US7997376B2Exhaust system for a vehicleSUZUKI MOTOR CORP·Filed 2008·Granted Aug 16, 2011·6 cites·2 claims
- 2767US7767899B2Electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 2005·Granted Aug 3, 2010·5 cites·29 claims
- 2866US7712892B2Image forming apparatusRICOH KK·Filed 2005·Granted May 11, 2010·2 cites·7 claims
- 2966US4938584AOphthalmic diagnostic method and apparatusKOWA CO·Filed 1989·Granted Jul 3, 1990·84 cites·13 claims
- 3064US6888751B2Nonvolatile semiconductor memory deviceRENESAS TECH CORP·Filed 2003·Granted May 3, 2005·11 cites·8 claims
- 3164US6440978B2Therapeutic agent for dermatitisNIPPON ZOKI PHARMACEUTICAL CO·Filed 2001·Granted Aug 27, 2002·2 cites·11 claims
- 3262US11179938B2Liquid discharge head, head module, head device, liquid discharge device, and liquid discharge apparatusRICOH CO LTD·Filed 2020·Granted Nov 23, 2021·0 cites·17 claims
- 3362US8704067B2Musical score playing device and musical score playing programKAWAI MUSICAL INSTR MFG CO·Filed 2013·Granted Apr 22, 2014·2 cites·20 claims
- 3461US7849959B2Exhaust pipe structure for vehicleSUZUKI MOTOR CORP·Filed 2009·Granted Dec 14, 2010·3 cites·8 claims
- 3561US4781658APower transmission mechanismMITSUBOSHI BELTING LTD·Filed 1983·Granted Nov 1, 1988·15 cites·19 claims
- 3660US10725650B2Handwritten music sign recognition device and programKK KAWAI GAKKI SEISAKUSHO·Filed 2015·Granted Jul 28, 2020·1 cites·17 claims
- 3760US7950334B2Ground coil device for magnetic levitation railway and method for manufacture thereofIDEMITSU KOSAN CO·Filed 2006·Granted May 31, 2011·3 cites·9 claims
- 3859US5223654AElectronic percussion device for generating a percussion waveform using shock strength and vibration of a batter headKAWAI MUSICAL INSTR MFG CO·Filed 1991·Granted Jun 29, 1993·15 cites·6 claims
- 3958US11655114B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceFUJITA AKIHIRO·Filed 2020·Granted May 23, 2023·0 cites·11 claims
- 4057US7713197B2Pressure measuring method, pressure measuring device, and tonometerUNIV WASEDA·Filed 2005·Granted May 11, 2010·1 cites·10 claims
- 4157US7431422B2Head cleaner and image forming apparatusRICOH KK·Filed 2004·Granted Oct 7, 2008·6 cites·25 claims
- 4257US6091894AVirtual sound source positioning apparatusKAWAI MUSICAL INSTR MFG CO·Filed 1996·Granted Jul 18, 2000·37 cites·25 claims
- 4357US4993306ADevice for correcting timing of music playing information for use in music auto play deviceKAWAI MUSICAL INSTR MFG CO·Filed 1989·Granted Feb 19, 1991·19 cites·7 claims
- 4454US5382749AWaveform data processing system and method of waveform data processing for electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1993·Granted Jan 17, 1995·13 cites·24 claims
- 4553US8131128B2Audiovisual system and control method thereofOTSUKA KOICHI·Filed 2006·Granted Mar 6, 2012·1 cites·14 claims
- 4653US7986031B2Resin molding part and manufacturing method thereofMITSUBISHI ELECTRIC CORP·Filed 2009·Granted Jul 26, 2011·0 cites·4 claims
- 4752US6893128B2Unit for obtaining and displaying fundus imageKOWA CO·Filed 2002·Granted May 17, 2005·9 cites·17 claims
- 4850US2025269644A1Liquid discharge head and liquid discharge apparatusKAWAKAMI SHO·Filed 2025·Application pending·0 cites
- 4949US8151562B2Exhaust device of V-type engine for vehicleFUJITA AKIHIRO·Filed 2008·Granted Apr 10, 2012·0 cites·2 claims
- 5049US7926264B2Vehicle exhaust systemSUZUKI MOTOR CORP·Filed 2008·Granted Apr 19, 2011·0 cites·3 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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