Inventor · disambiguated record
Masanori Yoshikawa
Also filed as: YOSHIKAWA MASANORI
45 granted patents·17 pending applications·1,141 citations·filing 1982–2025
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD32HITACHI LTD7MURATA MANUFACTURING CO5KONISHI HIROAKI2NIDEC CORP2
Top patents by PatentIndex Score
62 records- 0198US6418296B1Color image forming apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 9, 2002·86 cites·3 claims
- 0297US6249663B1Color image forming apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 19, 2001·80 cites·10 claims
- 0397US5809380AColor image forming apparatus with plural color unitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 15, 1998·122 cites·49 claims
- 0497US5345297ADeveloping apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Sep 6, 1994·87 cites·10 claims
- 0596US7067709B2First aid adhesive plasterMURATA TAKAAKI·Filed 2005·Granted Jun 27, 2006·114 cites·20 claims
- 0696US6546220B1Image forming apparatus with plural color image forming units moveable into image forming positionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 8, 2003·90 cites·57 claims
- 0794US7862933B2Lithium secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Jan 4, 2011·29 cites·8 claims
- 0894US6030726ALithium secondary battery having negative electrode of carbon material which bears metalsHITACHI LTD·Filed 1997·Granted Feb 29, 2000·109 cites·15 claims
- 0993US6035158AImage forming apparatus and belt unit thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 7, 2000·73 cites·22 claims
- 1091US8432477B2Cam frame structure, lens barrel structure, shake compensation device and imaging element unitHONSHO HIRONORI·Filed 2010·Granted Apr 30, 2013·14 cites·26 claims
- 1189US6157799AColor image forming apparatus, image forming unit therefor, and transfer belt unit thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 5, 2000·48 cites·26 claims
- 1288US6185396B1Color image forming apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 6, 2001·34 cites·3 claims
- 1387US5759954ATransfer member and thermal transfer printing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jun 2, 1998·40 cites·4 claims
- 1480US6477344B1Image forming apparatus, transfer belt unit, cleaning device and cleaner unit used for image forming apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 5, 2002·23 cites·40 claims
- 1575US11228220B2Bus-bar unit and motorNIDEC CORP·Filed 2018·Granted Jan 18, 2022·1 cites·10 claims
- 1673US6201943B1Color image forming apparatus and belt unit and image forming unit thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 13, 2001·10 cites·2 claims
- 1772US5168289AThermal transfer recording apparatus having intermediate transfer mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Dec 1, 1992·18 cites·4 claims
- 1869US8263269B2Lithium secondary batteryOKUMURA TAKEFUMI·Filed 2010·Granted Sep 11, 2012·1 cites·34 claims
- 1969US6869713B2Fuel cell, fuel cell generator, and equipment using the sameHITACHI LTD·Filed 2001·Granted Mar 22, 2005·8 cites·22 claims
- 2068US5070274AMethod for making diamond and apparatus thereforONODA CEMENT CO LTD·Filed 1990·Granted Dec 3, 1991·29 cites·20 claims
- 2167US8435200B2Ingrown nail correcting deviceYOSHIKAWA MASANORI·Filed 2009·Granted May 7, 2013·7 cites·7 claims
- 2264US7149018B2Optical scanning device and image forming apparatus provided with the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Dec 12, 2006·3 cites·8 claims
- 2364US4478704AGas detection deviceHITACHI LTD·Filed 1982·Granted Oct 23, 1984·20 cites·16 claims
- 2462US5841462AThermal transfer printing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Nov 24, 1998·15 cites·24 claims
- 2562US2025087430A1Capacitor arrayMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 2662US2025166927A1Capacitor elementMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 2762US2025087427A1Capacitor arrayMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 2861US7012723B2Optical scanning device and color image forming apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 14, 2006·7 cites·16 claims
- 2959US6366756B1Color image forming apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 2, 2002·5 cites·3 claims
- 3058US5708467AThermal printing apparatus using intermediate mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jan 13, 1998·15 cites·5 claims
- 3158US2024186072A1Capacitor elementMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 3257US8885097B2Cam frame structure, lens barrel structure, shake compensation device and imaging element unitPANASONIC CORP·Filed 2013·Granted Nov 11, 2014·0 cites·16 claims
- 3357US8828607B2Cathode material, cathode, and lithium ion secondary batteryKONISHI HIROAKI·Filed 2012·Granted Sep 9, 2014·0 cites·9 claims
- 3456US12394574B2Capacitor arrayMURATA MANUFACTURING CO·Filed 2022·Granted Aug 19, 2025·0 cites·11 claims
- 3555US7087892B2Light scanner and image forming apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 8, 2006·2 cites·38 claims
- 3655US2010112437A1Lithium ion secondary batteryHITACHI LTD·Filed 2009·Application pending·0 cites
- 3753US11437879B2Bus-bar unit and motorNIDEC CORP·Filed 2018·Granted Sep 6, 2022·0 cites·11 claims
- 3851US6169870B1Color image forming apparatus and belt unit and image forming unit thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 2, 2001·3 cites·22 claims
- 3951US2009214951A1Lithium secondary batteryHITACHI LTD·Filed 2009·Application pending·0 cites
- 4050US5956552AColor image forming apparatus comprising a regular mode and a high speed modeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 21, 1999·9 cites·38 claims
- 4150US2013011740A1Lithium Secondary BatteryHITACHI LTD·Filed 2012·Application pending·0 cites
- 4249US2004096727A1Fuel cell, fuel cell generator, and equipment using the sameFiled 2003·Application pending·0 cites
- 4348US6122474AColor image forming apparatus and belt unit and image forming unit thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Sep 19, 2000·6 cites·38 claims
- 4448US5999205ATransfer member and thermal transfer printing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 7, 1999·7 cites·15 claims
- 4547US6133931AThermal recording method and ink sheet used thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Oct 17, 2000·11 cites·10 claims
- 4647US2006124973A1Energy storage device, module thereof and electric vehicle using the sameARAI JUICHI·Filed 2005·Application pending·0 cites
- 4745US7173645B2Optical scan apparatus and color image formation apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 6, 2007·0 cites·18 claims
- 4845US2012270092A1Lithium ion secondary battery and battery pack systemHONBOU HIDETOSHI·Filed 2012·Application pending·0 cites
- 4945US2012003542A1Lithium ion secondary batteryKONISHI HIROAKI·Filed 2011·Application pending·0 cites
- 5043US2002050562A1Light scanner and image forming apparatus using the sameFiled 2001·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →