Inventor · disambiguated record
Kazuhiro Ichikawa
Also filed as: ICHIKAWA KAZUHIRO
55 granted patents·23 pending applications·433 citations·filing 1993–2023
98Inventor score
Files withSEIKO EPSON CORP35KAWASAKI HEAVY IND LTD8KAWASAKI MOTORS LTD5DENSO CORP3ICHIKAWA KAZUHIRO3
Top patents by PatentIndex Score
78 records- 0188US11008707B2Sheet manufacturing apparatus, sheet manufacturing system, control method of a sheet manufacturing apparatus, and sheet manufacturing methodSEIKO EPSON CORP·Filed 2018·Granted May 18, 2021·4 cites·11 claims
- 0286US5697033AImage forming apparatus with film transfer memberSEIKO EPSON CORP·Filed 1996·Granted Dec 9, 1997·33 cites·11 claims
- 0385US6336022B2Developing unitSEIKO EPSON CORP·Filed 2001·Granted Jan 1, 2002·15 cites·1 claims
- 0484US6146802AToner and development unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 1999·Granted Nov 14, 2000·26 cites·28 claims
- 0583US8453034B2Error detection/correction circuit, memory controller and semiconductor memory apparatusSAKAUE KENJI·Filed 2011·Granted May 28, 2013·9 cites·12 claims
- 0683US8448050B2Memory system and control method for the sameSAKAUE KENJI·Filed 2010·Granted May 21, 2013·8 cites·18 claims
- 0783US6359537B1Electromagnetic relay, method of adjusting the same, and method of assembling the sameNEC CORP·Filed 2000·Granted Mar 19, 2002·36 cites·21 claims
- 0882US6163674ADeveloping unit having developing roller with restraining bladeSEIKO EPSON CORP·Filed 1999·Granted Dec 19, 2000·18 cites·3 claims
- 0981US7783234B2Developer cartridge, image forming apparatus, and shutter deviceSEIKO EPSON CORP·Filed 2007·Granted Aug 24, 2010·6 cites·20 claims
- 1080US8577213B2Lens driving device, autofocus camera and camera-equipped mobile terminalSHIRAKI MANABU·Filed 2011·Granted Nov 5, 2013·4 cites·11 claims
- 1179US6198893B1Image forming apparatus having a plurality of developing unitsSEIKO EPSON CORP·Filed 1999·Granted Mar 6, 2001·16 cites·3 claims
- 1279US6192209B1Developing unitSEIKO EPSON CORP·Filed 1999·Granted Feb 20, 2001·16 cites·4 claims
- 1379US5893665AImage forming apparatusSEIKO EPSON CORP·Filed 1997·Granted Apr 13, 1999·23 cites·3 claims
- 1478US5789533APolyarylene sulfide, a process for the preparation thereof and a composition comprising the sameTONEN SEKIYUKAGAKU KK·Filed 1996·Granted Aug 4, 1998·36 cites·20 claims
- 1573US6226484B1Developing unit using specific developer compositionSEIKO EPSON CORP·Filed 1999·Granted May 1, 2001·12 cites·3 claims
- 1671US9482721B2Electric power source circuit and abnormality diagnosis systemDENSO CORP·Filed 2013·Granted Nov 1, 2016·3 cites·12 claims
- 1771USD700566SWheel for motorcycleKAWASAKI HEAVY IND LTD·Filed 2013·Granted Mar 4, 2014·15 cites·1 claims
- 1871US6094554ADeveloping unit having developing roller with specific side surface roughnessSEIKO EPSON CORP·Filed 1999·Granted Jul 25, 2000·11 cites·1 claims
- 1970US6151474ADeveloping unit using elastic supply rollerSEIKO EPSON CORP·Filed 1999·Granted Nov 21, 2000·11 cites·2 claims
- 2068US10953890B2Steering torque estimating deviceKAWASAKI HEAVY IND LTD·Filed 2016·Granted Mar 23, 2021·2 cites·9 claims
- 2167US7013101B2Cartridge recycling information apparatus, corresponding method, and cartridge to be recycledSEIKO EPSON CORP·Filed 2003·Granted Mar 14, 2006·9 cites·22 claims
- 2266US11760357B2Travel evaluation method and pseudo-emotion generation methodKAWASAKI MOTORS LTD·Filed 2018·Granted Sep 19, 2023·1 cites·13 claims
- 2366US5475081AProcess for controlling a particle size of polyarylene sulfide and polyarylene sulfide thus producedTONEN SEKIYUKAGAKU KK·Filed 1993·Granted Dec 12, 1995·15 cites·19 claims
- 2464US7830642B2Disc apparatusFUNAI ELECTRIC CO·Filed 2008·Granted Nov 9, 2010·1 cites·4 claims
- 2564US6769576B2Delivery containerTOP KK·Filed 2001·Granted Aug 3, 2004·13 cites·5 claims
- 2663US7043167B2Image formation device and image formation method that selectively adapts a process of fixing an image on a mediumSEIKO EPSON CORP·Filed 2003·Granted May 9, 2006·8 cites·12 claims
- 2762US12246738B2Autonomous and manual mode swtiching for utility vehicleKAWASAKI MOTORS LTD·Filed 2020·Granted Mar 11, 2025·0 cites·7 claims
- 2861US2023399778A1Heat insulating, heat storing, and heat generating material and method for producing heat insulating, heat storing, and heat generating materialSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 2961US2004158511A1Accounting management apparatus and accounting process methodSEIKO EPSON CORP·Filed 2003·Application pending·0 cites
- 3060US8532740B2Measurement device and measurement methodICHIKAWA KAZUHIRO·Filed 2009·Granted Sep 10, 2013·3 cites·10 claims
- 3160US2021361986A1Sheet-like filter, mask, and sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2021·Application pending·0 cites
- 3259USD693282SWheel for motorcycleKAWASAKI HEAVY IND LTD·Filed 2013·Granted Nov 12, 2013·9 cites·1 claims
- 3359US6358654B1Toner and development unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2000·Granted Mar 19, 2002·5 cites·3 claims
- 3459US6295433B1Developing unit having a conveying fin for loading a supply roller with tonerSEIKO EPSON CORP·Filed 1999·Granted Sep 25, 2001·7 cites·2 claims
- 3557US7087037B2SyringeTOP KK·Filed 2001·Granted Aug 8, 2006·14 cites·3 claims
- 3657US6983111B2Image formation device and image formation methodSEIKO EPSON CORP·Filed 2003·Granted Jan 3, 2006·6 cites·13 claims
- 3755US7853378B2Control device for electrical power steering systemDENSO CORP·Filed 2007·Granted Dec 14, 2010·3 cites·3 claims
- 3855US7324232B2Printer, printer setting method and corresponding program, and cartridgeSEIKO EPSON CORP·Filed 2003·Granted Jan 29, 2008·4 cites·10 claims
- 3955US2021230802A1Equipment for manufacturing fiber structure, method for manufacturing fiber structure, and fiber structureSEIKO EPSON CORP·Filed 2021·Application pending·0 cites
- 4054US9327548B2Wheel for motorcycleICHIKAWA KAZUHIRO·Filed 2012·Granted May 3, 2016·1 cites·20 claims
- 4154US7231160B2Printing device and printing methodSEIKO EPSON CORP·Filed 2004·Granted Jun 12, 2007·5 cites·15 claims
- 4254US7177556B2Image formation device and recording agent cartridge attached theretoSEIKO EPSON CORP·Filed 2004·Granted Feb 13, 2007·5 cites·22 claims
- 4354US2020114594A1Fiber molded article and method of manufacturing fiber molded articleSEIKO EPSON CORP·Filed 2019·Application pending·0 cites
- 4453US11077581B2Sheet manufacturing apparatus and control method of sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2018·Granted Aug 3, 2021·0 cites·16 claims
- 4553US8722420B2Method for detecting an endogenous biomoleculeUTSUMI HIDEO·Filed 2010·Granted May 13, 2014·1 cites·2 claims
- 4652US12085936B2Utility vehicleKAWASAKI MOTORS LTD·Filed 2020·Granted Sep 10, 2024·0 cites·7 claims
- 4751US12344224B2Utility vehicle controllable within permissible range based on determined road condition levelKAWASAKI MOTORS LTD·Filed 2020·Granted Jul 1, 2025·0 cites·8 claims
- 4851US8737185B2Optical disc device and optical disc reproduction methodFUNAI ELECTRIC CO·Filed 2013·Granted May 27, 2014·0 cites·10 claims
- 4950US11046384B2Vehicle pseudo-emotion generating system and conversation information output methodKAWASAKI HEAVY IND LTD·Filed 2018·Granted Jun 29, 2021·0 cites·12 claims
- 5050US2020011009A1Sheet, sheet manufacturing apparatus, and sheet manufacturing methodSEIKO EPSON CORP·Filed 2018·Application pending·0 cites
Showing the top 50 of 78 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kazuhiro Ichikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →