Inventor · disambiguated record
Hirofumi Yoshikawa
Also filed as: YOSHIKAWA HIROFUMI
30 granted patents·11 pending applications·400 citations·filing 1974–2021
97Inventor score
Top patents by PatentIndex Score
41 records- 0192US6886371B2Washer having a partial washing apparatus, and washing apparatusSHARP KK·Filed 2002·Granted May 3, 2005·57 cites·27 claims
- 0288US7597718B2Method and washing machine for imparting antistaticity to fabric structure and fabric structure imparted with antistaticitySHARP KK·Filed 2005·Granted Oct 6, 2009·11 cites·8 claims
- 0383US3977175ADraw-texturing polyester yarnsTEIJIN LTD·Filed 1974·Granted Aug 31, 1976·22 cites·19 claims
- 0480US4755337AProcess for surface treating a polyester filmTEIJIN LTD·Filed 1986·Granted Jul 5, 1988·36 cites·13 claims
- 0579US7624601B2Water supply device, water supply method, and washing machine having water supply deviceSHARP KK·Filed 2004·Granted Dec 1, 2009·27 cites·27 claims
- 0677US12029058B2Light emitting element and display device using sameSHARP KK·Filed 2019·Granted Jul 2, 2024·1 cites·12 claims
- 0775US7708896B2Ion eluting unit and device loaded with sameSHARP KK·Filed 2003·Granted May 4, 2010·15 cites·14 claims
- 0873US5544348ASimulation method and apparatusIBM·Filed 1994·Granted Aug 6, 1996·46 cites·14 claims
- 0973US4364885AProcess for producing easily adherable polyester filmTEIJIN LTD·Filed 1981·Granted Dec 21, 1982·26 cites·4 claims
- 1072US4439479ASlippery biaxially stretched polyester filmsTEIJIN LTD·Filed 1982·Granted Mar 27, 1984·26 cites·6 claims
- 1170US9240507B2Intermediate band solar cell using type I and type II quantum dot superlatticesSHARP KK·Filed 2015·Granted Jan 19, 2016·1 cites·10 claims
- 1268US9601643B2Photoelectric conversion elementSHARP KK·Filed 2016·Granted Mar 21, 2017·1 cites·9 claims
- 1368US5977172APGE1 -containing-freeze dried preparation and process for the production thereofNIPPON SHINYAKU CO LTD·Filed 1996·Granted Nov 2, 1999·30 cites·33 claims
- 1464US4746251AMethod of digitizing a profile locusMITSUBISHI HEAVY IND LTD·Filed 1986·Granted May 24, 1988·18 cites·5 claims
- 1561US12371610B2Light-emitting element and method for manufacturing light-emitting elementSHARP KK·Filed 2020·Granted Jul 29, 2025·0 cites·16 claims
- 1658US7905121B2Washing machine with ion eluting and imbalance correcting unitsSHARP KK·Filed 2004·Granted Mar 15, 2011·4 cites·8 claims
- 1758US6820446B2Sewage disposal agent, sewage purifier, washing machine with purifier, and sewage purifying methodSHARP KK·Filed 2001·Granted Nov 23, 2004·7 cites·43 claims
- 1858US5559202ABowl-shape microparticle and production thereofMATSUMOTO YUSHI SEIYAKU KK·Filed 1995·Granted Sep 24, 1996·24 cites·5 claims
- 1957US2020173848A1DetectorSHARP KK·Filed 2020·Application pending·0 cites
- 2056US5375747APulverulent material feeder apparatusFiled 1993·Granted Dec 27, 1994·17 cites·4 claims
- 2155US12396317B2Light-emitting element and method of manufacturing light-emitting elementSHARP KK·Filed 2020·Granted Aug 19, 2025·0 cites·20 claims
- 2255US12150326B2Display device and method of manufacturing display deviceSHARP KK·Filed 2019·Granted Nov 19, 2024·0 cites·12 claims
- 2355USD368100SFeeder for supplying a fixed quantity of particlesYOSHIKAWA OSAMU·Filed 1994·Granted Mar 19, 1996·8 cites·1 claims
- 2455US2024423086A1Light-emitting element and method for producing sameSHARP DISPLAY TECHNOLOGY CORP·Filed 2021·Application pending·0 cites
- 2555US2012285537A1Solar cellYOSHIKAWA HIROFUMI·Filed 2012·Application pending·0 cites
- 2655US2018172508A1DetectorSHARP KK·Filed 2017·Application pending·0 cites
- 2754US12150359B2Display device and method for manufacturing display deviceSHARP KK·Filed 2019·Granted Nov 19, 2024·0 cites·20 claims
- 2854US10811554B2Infrared photodetectorSHARP KK·Filed 2019·Granted Oct 20, 2020·0 cites·8 claims
- 2954US4719578AProfiling control apparatus and control method thereofMITSUBISHI HEAVY IND LTD·Filed 1985·Granted Jan 12, 1988·13 cites·4 claims
- 3053US2012097228A1Solar cellYOSHIKAWA HIROFUMI·Filed 2011·Application pending·0 cites
- 3152US2024425656A1Nanoparticle composition, nanoparticle-containing film, light-emitting element, wavelength conversion member, display device, and method for producing nanoparticle-containing filmSHARP KK·Filed 2021·Application pending·0 cites
- 3250US10866143B2Infrared photodetection systemSHARP KK·Filed 2019·Granted Dec 15, 2020·0 cites·11 claims
- 3349US2021296517A1Infrared detectorSHARP KK·Filed 2021·Application pending·0 cites
- 3447US10636833B2Quantum dot infrared detectorSHARP KK·Filed 2018·Granted Apr 28, 2020·0 cites·6 claims
- 3545US4492719AProcess for the production of slippery biaxially stretched polyester filmsTEIJIN LTD·Filed 1983·Granted Jan 8, 1985·4 cites·15 claims
- 3645US2020378833A1Infrared detection apparatusSHARP KK·Filed 2020·Application pending·0 cites
- 3744US10181539B2Photoelectric conversion element and photoelectric conversion device including the sameSHARP KK·Filed 2017·Granted Jan 15, 2019·0 cites·7 claims
- 3843US2022158108A1Light-emitting element and display device using light-emitting elementSHARP KK·Filed 2019·Application pending·0 cites
- 3941US2018331240A1Quantum dot infrared detectorSHARP KK·Filed 2018·Application pending·0 cites
- 4040US2017200841A1Photoelectric conversion element having quantum structure using indirect transition conductor materialSHARP KK·Filed 2016·Application pending·0 cites
- 4132US6137529AApparatus for position data acquisition and an apparatus for coil position recognitionMITSUBISHI HEAVY IND LTD·Filed 1992·Granted Oct 24, 2000·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →