Inventor · disambiguated record
Hiroyuki Fukuda
Also filed as: FUKUDA HIROYUKI
208 granted patents·28 pending applications·5,117 citations·filing 1980–2023
99Inventor score
Files withFUJITSU LTD50MINOLTA CO LTD38OLYMPUS OPTICAL CO34KUREHA CHEMICAL IND CO LTD23JFE STEEL CORP15
Top patents by PatentIndex Score
236 records- 0199US5866895AInformation recording medium and information reproduction systemOLYMPUS OPTICAL CO·Filed 1995·Granted Feb 2, 1999·206 cites·67 claims
- 0298USD473942SRemote control apparatus for industrial endoscopeOLYMPUS OPTICAL CO·Filed 2001·Granted Apr 29, 2003·114 cites·1 claims
- 0397US10888032B2Apparatus for liquid immersion cooling, system for liquid immersion cooling, and method of cooling electronic deviceFUJITSU LTD·Filed 2019·Granted Jan 5, 2021·27 cites·8 claims
- 0497US10624236B2Liquid immersion tankFUJITSU LTD·Filed 2019·Granted Apr 14, 2020·31 cites·13 claims
- 0596US10743438B2Liquid cooling device, liquid cooling system, and control method of liquid cooling deviceFUJITSU LTD·Filed 2017·Granted Aug 11, 2020·19 cites·19 claims
- 0696US6131807AInformation recording medium and information reproduction systemOLYMPUS OPTICAL CO·Filed 1999·Granted Oct 17, 2000·124 cites·10 claims
- 0796US5816285APressure type flow rate control apparatusFUJIKIN KK·Filed 1997·Granted Oct 6, 1998·139 cites·6 claims
- 0894US11326538B2Injection control deviceDENSO CORP·Filed 2021·Granted May 10, 2022·4 cites·3 claims
- 0994US10111367B2Liquid immersion cooling apparatus, liquid immersion cooling system, and control method of liquid immersion cooling apparatusFUJITSU LTD·Filed 2017·Granted Oct 23, 2018·11 cites·13 claims
- 1094US6022661AToner for developing electrostatic latent imageMINOLTA CO LTD·Filed 1999·Granted Feb 8, 2000·57 cites·18 claims
- 1194US5565921AMotion-adaptive image signal processing systemOLYMPUS OPTICAL CO·Filed 1994·Granted Oct 15, 1996·182 cites·2 claims
- 1293US7106357B2Portable information terminal device having camera featureOLYMPUS OPTICAL CO·Filed 2002·Granted Sep 12, 2006·63 cites·45 claims
- 1393US5787204AImage signal decoding device capable of removing block distortion with simple structureOLYMPUS OPTICAL CO·Filed 1997·Granted Jul 28, 1998·162 cites·2 claims
- 1493US5479211AImage-signal decoding apparatusOLYMPUS OPTICAL CO·Filed 1993·Granted Dec 26, 1995·137 cites·5 claims
- 1593US4986642AObjective lens system for endoscopes and image pickup system equipped with said objective lens systemOLYMPUS OPTICAL CO·Filed 1988·Granted Jan 22, 1991·91 cites·51 claims
- 1692US6394415B1Fluid control valve and fluid supply/exhaust systemOHMI TADAHIRO·Filed 2000·Granted May 28, 2002·43 cites·18 claims
- 1792US5669408APressure type flow rate control apparatusFUJIKIN KK·Filed 1996·Granted Sep 23, 1997·130 cites·5 claims
- 1891US6569084B1Endoscope holder and endoscope deviceOLYMPUS OPTICAL CO·Filed 2000·Granted May 27, 2003·307 cites·19 claims
- 1991US5073820AImage data coding apparatus and coding methodOLYMPUS OPTICAL CO·Filed 1990·Granted Dec 17, 1991·168 cites·13 claims
- 2090US10015912B2Data center with liquid immersion tank and control method of the data center based on temperature differenceFUJITSU LTD·Filed 2017·Granted Jul 3, 2018·8 cites·14 claims
- 2190US9930814B2Modular data center and method of controlling modular data centerFUJITSU LTD·Filed 2015·Granted Mar 27, 2018·8 cites·16 claims
- 2290US6152168APressure-type flow rate control apparatusFUJIKIN KK·Filed 1998·Granted Nov 28, 2000·112 cites·15 claims
- 2390US5898166AInformation reproduction system which utilizes physical information on an optically-readable code and which optically reads the code to reproduce multimedia informationOLYMPUS OPTICAL CO·Filed 1996·Granted Apr 27, 1999·135 cites·23 claims
- 2490US5867593AImage region dividing apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Feb 2, 1999·145 cites·10 claims
- 2589US9363928B2Module-type data center and method of controlling the sameFUJITSU LTD·Filed 2014·Granted Jun 7, 2016·9 cites·20 claims
- 2689US6520908B1Electronic endoscopeOLYMPUS OPTICAL CO·Filed 2000·Granted Feb 18, 2003·247 cites·46 claims
- 2789US5791369APressure type flow rate control apparatusFUJIKIN KK·Filed 1997·Granted Aug 11, 1998·94 cites·6 claims
- 2888US11313308B2Injection control deviceDENSO CORP·Filed 2021·Granted Apr 26, 2022·2 cites·6 claims
- 2988US6335138B1Production method of tonerMINOLTA CO LTD·Filed 2000·Granted Jan 1, 2002·26 cites·16 claims
- 3088US5424162AToner for electrophotography containing wax-particles dispersed in binder resinMINOLTA CAMERA KK·Filed 1993·Granted Jun 13, 1995·35 cites·19 claims
- 3186US10356958B2Immersion cooling apparatusFUJITSU LTD·Filed 2018·Granted Jul 16, 2019·4 cites·5 claims
- 3286US5776646ANegatively chargeable toner with specified fine particles added externallyMINOLTA CO LTD·Filed 1997·Granted Jul 7, 1998·38 cites·20 claims
- 3385US10472693B2Head hardened rail manufacturing method and manufacturing apparatusJFE STEEL CORP·Filed 2015·Granted Nov 12, 2019·2 cites·5 claims
- 3484US9645622B2Temperature management systemFUJITSU LTD·Filed 2015·Granted May 9, 2017·4 cites·14 claims
- 3584US4522895AMultilayer fuel cell electrode substrate having elongated holes for feeding reactant gasesKUREHA CHEMICAL IND CO LTD·Filed 1983·Granted Jun 11, 1985·39 cites·14 claims
- 3683US11602882B2Straining mechanism and screw extruder including straining mechanismNIHON SPINDLE MFG CO LTD·Filed 2018·Granted Mar 14, 2023·2 cites·18 claims
- 3783US10160348B2Starting control device for electrically driven vehicleNISSAN MOTOR·Filed 2015·Granted Dec 25, 2018·5 cites·19 claims
- 3883US8881568B2Cooling equipment and cooling method for hot rolled steel plateNAKATA NAOKI·Filed 2009·Granted Nov 11, 2014·8 cites·20 claims
- 3983US5814428AToner for developing electrostatic latent imageMINOLTA CO LTD·Filed 1997·Granted Sep 29, 1998·28 cites·16 claims
- 4083US4818640ACarbonaceous composite product produced by joining carbonaceous materials together by tetrafluoroethylene resin, and process for producing the sameKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Apr 4, 1989·40 cites·11 claims
- 4182US11181066B2Injection controllerDENSO CORP·Filed 2020·Granted Nov 23, 2021·2 cites·16 claims
- 4282US5625714AImage signal decoding device capable of removing block distortion with simple structureOLYMPUS OPTICAL CO·Filed 1994·Granted Apr 29, 1997·50 cites·36 claims
- 4382US5018509AEndoscope insertion controlling apparatusOLYMPUS OPTICAL CO·Filed 1989·Granted May 28, 1991·175 cites·24 claims
- 4482US4506028AProcess for preparing a fuel cell electrode substrate comprising carbon fibersKUREHA CHEMICAL IND CO LTD·Filed 1982·Granted Mar 19, 1985·40 cites·4 claims
- 4581US9958916B2Temperature management systemFUJITSU LTD·Filed 2015·Granted May 1, 2018·4 cites·10 claims
- 4681US9820412B2Modular data centerFUJITSU LTD·Filed 2015·Granted Nov 14, 2017·4 cites·6 claims
- 4781US6100000ADeveloper comprising toner and/or carrier having specified average degree of roundness and specified standard deviation of degree of roundnessMINOLTA CO LTD·Filed 1999·Granted Aug 8, 2000·29 cites·38 claims
- 4881US5837907AMethod of tightening threaded membersFUJIKIN KK·Filed 1997·Granted Nov 17, 1998·32 cites·11 claims
- 4981US5236687AFlat plate-like ribbed porous carbon materialKUREHA CHEMICAL IND CO LTD·Filed 1990·Granted Aug 17, 1993·43 cites·16 claims
- 5081US4434206AShaped articles of porous carbon fibersKUREHA CHEMICAL IND CO LTD·Filed 1982·Granted Feb 28, 1984·34 cites·10 claims
Showing the top 50 of 236 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →