Inventor · disambiguated record
Hirokazu Nakamura
Also filed as: AKISHINO KATSUO · NAKAMURA HIROKAZU
48 granted patents·9 pending applications·443 citations·filing 1974–2022
98Inventor score
Top patents by PatentIndex Score
57 records- 0194US9519267B2Image forming apparatus including secondary transfer unit and fixing section disposed on printing paper transport pathSHARP KK·Filed 2016·Granted Dec 13, 2016·6 cites·7 claims
- 0293US9910408B2Image forming device including fan with ducted airflowSHARP KK·Filed 2016·Granted Mar 6, 2018·4 cites·14 claims
- 0393US9317010B2Image forming device including secondary transfer unit and fixing section disposed on printing paper transport pathSHARP KK·Filed 2013·Granted Apr 19, 2016·7 cites·11 claims
- 0491US8280289B2Fixing apparatus and image forming apparatus including the sameYAMANAKA TAKASHI·Filed 2010·Granted Oct 2, 2012·8 cites·8 claims
- 0585US4028963AEngine balancerMITSUBISHI MOTORS CORP·Filed 1975·Granted Jun 14, 1977·40 cites·11 claims
- 0684US10268159B2Image forming device including fan with ducted airflowSHARP KK·Filed 2018·Granted Apr 23, 2019·1 cites·14 claims
- 0782US8099034B2Fixing apparatusTSUKAMOTO KIMIHIDE·Filed 2009·Granted Jan 17, 2012·9 cites·3 claims
- 0876US4125036AApparatus for driving engine balancersMITSUBISHI MOTORS CORP·Filed 1977·Granted Nov 14, 1978·26 cites·2 claims
- 0975US9207592B2Fixing device capable of preventing temperature drop due to heat absorption and image forming apparatus including sameSHARP KK·Filed 2013·Granted Dec 8, 2015·2 cites·18 claims
- 1075US6890057B2Inkjet printer waste ink storage apparatusSHARP KK·Filed 2003·Granted May 10, 2005·16 cites·13 claims
- 1174US8611801B2Fixing apparatus and image forming apparatusNAKAMURA HIROKAZU·Filed 2011·Granted Dec 17, 2013·2 cites·8 claims
- 1274US8364066B2Image forming apparatus including a fixing apparatus with regulation memberSHARP KK·Filed 2009·Granted Jan 29, 2013·4 cites·8 claims
- 1373US7014303B2Inkjet printerSHARP KK·Filed 2003·Granted Mar 21, 2006·14 cites·13 claims
- 1472US11608612B2Hydraulic unitDAIKIN IND LTD·Filed 2020·Granted Mar 21, 2023·1 cites·17 claims
- 1571US10509363B2Image forming device including fan with ducted airflowSHARP KK·Filed 2019·Granted Dec 17, 2019·0 cites·14 claims
- 1669US9075382B2Image forming apparatusSHARP KK·Filed 2014·Granted Jul 7, 2015·1 cites·10 claims
- 1769US7610754B2Fluid pressure unit and fluid pressure unit control methodDAIKIN IND LTD·Filed 2006·Granted Nov 3, 2009·7 cites·10 claims
- 1869US7304440B2Electron-emitting apparatusNGK INSULATORS LTD·Filed 2005·Granted Dec 4, 2007·3 cites·8 claims
- 1968US4133322AInternal combustion engineMITSUBISHI MOTORS CORP·Filed 1976·Granted Jan 9, 1979·18 cites·14 claims
- 2067US9326680B2Ophthalmic apparatusNIDEK KK·Filed 2013·Granted May 3, 2016·2 cites·7 claims
- 2167US7066582B2Method for producing organic insulating coating and ink-jet printhead produced according to the methodSHARP KK·Filed 2003·Granted Jun 27, 2006·11 cites·16 claims
- 2264US7229435B2Ophthalmic laser treatment apparatusNIDEK KK·Filed 2002·Granted Jun 12, 2007·34 cites·15 claims
- 2364US4074589AFour cylinder in-line engine with driving balancer systemMITSUBISHI MOTORS CORP·Filed 1975·Granted Feb 21, 1978·17 cites·2 claims
- 2463US7628490B2Slit lamp microscope and ophthalmic laser treatment apparatus with the microscopeNIDEK KK·Filed 2007·Granted Dec 8, 2009·2 cites·4 claims
- 2562US9164434B2Fixing apparatus and image forming apparatus including the sameSHARP KK·Filed 2014·Granted Oct 20, 2015·0 cites·13 claims
- 2659US4096692AAir-pump system for reciprocating enginesMITSUBISHI MOTORS CORP·Filed 1976·Granted Jun 27, 1978·14 cites·5 claims
- 2757US9152100B2Image forming apparatus having a sheet guideSHARP KK·Filed 2014·Granted Oct 6, 2015·0 cites·10 claims
- 2855US5954711ALaser treatment apparatusNIDEK KK·Filed 1994·Granted Sep 21, 1999·68 cites·13 claims
- 2954US4015913ADiaphragm air pumpMITSUBISHI MOTORS CORP·Filed 1975·Granted Apr 5, 1977·11 cites·3 claims
- 3052US8948670B2Fixing apparatus and image forming apparatus including the sameNAKAMURA HIROKAZU·Filed 2011·Granted Feb 3, 2015·0 cites·13 claims
- 3152US5295989ALight cable for use in an apparatus for ophthalmic operation using a laser beamNIDEK KK·Filed 1992·Granted Mar 22, 1994·54 cites·2 claims
- 3249US2006082317A1Electron-emitting apparatusNGK INSULATORS LTD·Filed 2005·Application pending·0 cites
- 3346US12455230B2Liquid deterioration determination device and hydraulic unitDAIKIN IND LTD·Filed 2022·Granted Oct 28, 2025·0 cites·6 claims
- 3446US7331662B2Ink cartridge and image forming apparatusSHARP KK·Filed 2005·Granted Feb 19, 2008·0 cites·4 claims
- 3546US7156509B2Image forming apparatusSHARP KK·Filed 2004·Granted Jan 2, 2007·3 cites·20 claims
- 3646US3995610AFour cylinder straight-type engine with secondary balancer systemMITSUBISHI MOTORS CORP·Filed 1974·Granted Dec 7, 1976·11 cites·14 claims
- 3746US2024106322A1Power conversion system and control methodPANASONIC HOLDINGS CORP·Filed 2022·Application pending·0 cites
- 3846US2006132024A1Electron-emitting apparatusNGK INSULATORS LTD·Filed 2005·Application pending·0 cites
- 3945US4338902AFuel supplying device for internal combustion engineMITSUBISHI MOTORS CORP·Filed 1979·Granted Jul 13, 1982·5 cites·10 claims
- 4043US8554122B2Fixing device and image forming apparatus provided with sameASAKAWA MASAYA·Filed 2011·Granted Oct 8, 2013·0 cites·10 claims
- 4143US7134748B2Recording apparatusSHARP KK·Filed 2003·Granted Nov 14, 2006·2 cites·21 claims
- 4242US8626047B2Fixing device for fixing developer to recording material and image forming apparatus equipped with the sameNAKAMURA HIROKAZU·Filed 2011·Granted Jan 7, 2014·0 cites·6 claims
- 4342US2006082318A1Electron-emitting apparatusNGK INSULATORS LTD·Filed 2005·Application pending·0 cites
- 4442US2004267246A1Laser treatment apparatusNIDEK KK·Filed 2004·Application pending·0 cites
- 4542US2003149425A1Laser treatment apparatusNIDEK KK·Filed 2003·Application pending·0 cites
- 4641US8977175B2Fixing apparatus having an oil roller and image forming apparatus including the sameASAKAWA MASAYA·Filed 2012·Granted Mar 10, 2015·0 cites·11 claims
- 4741US7226152B2Image forming apparatusSHARP KK·Filed 2004·Granted Jun 5, 2007·1 cites·21 claims
- 4841US2006192213A1Light-emitting deviceNGK INSULATORS LTD·Filed 2006·Application pending·0 cites
- 4939US6238385B1Laser treatment apparatusNIDEK KK·Filed 1998·Granted May 29, 2001·28 cites·13 claims
- 5037US6991326B2Ink cartridge and image forming apparatusSHARP KK·Filed 2003·Granted Jan 31, 2006·0 cites·2 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →