Inventor · disambiguated record
Michiaki Ishikawa
Also filed as: ISHIKAWA MICHIAKI
16 granted patents·7 pending applications·107 citations·filing 1989–2025
92Inventor score
Files withKONISHIROKU PHOTO IND10KONICA MINOLTA INC5KONICA MINOLTA BUSINESS TECH2TOSHIBA KK2KONICA CORP1
Top patents by PatentIndex Score
23 records- 0185US5445910ADeveloper for developing electrostatic image comprising a toner containing colorant particles having organic particles externally added theretoKONISHIROKU PHOTO IND·Filed 1994·Granted Aug 29, 1995·31 cites·10 claims
- 0274US12487550B2Image forming method and image forming systemKONICA MINOLTA INC·Filed 2024·Granted Dec 2, 2025·0 cites·4 claims
- 0373US9592739B2Drive control equipment for a vehicleTOSHIBA KK·Filed 2014·Granted Mar 14, 2017·3 cites·14 claims
- 0465US5441839ANegatively chargeable developer with carrier containing magnesium oxideKONISHIROKU PHOTO IND·Filed 1994·Granted Aug 15, 1995·14 cites·13 claims
- 0560US5705306AToner for forming electrophotographic image and developers using the sameKONISHIROKU PHOTO IND·Filed 1996·Granted Jan 6, 1998·15 cites·25 claims
- 0659US2025298333A1Polyester resin composition, electrostatic charge image developing toner, developer, and image forming methodKONICA MINOLTA INC·Filed 2025·Application pending·0 cites
- 0754US5026620AMethod for forming electrophotographic imagesKONISHIROKU PHOTO IND·Filed 1989·Granted Jun 25, 1991·9 cites·12 claims
- 0851US2024337959A1Method for producing electrostatic charge image developing tonerKONICA MINOLTA INC·Filed 2024·Application pending·0 cites
- 0951US2024361710A1Image forming system and image forming methodKONICA MINOLTA INC·Filed 2024·Application pending·0 cites
- 1048US5272038AElectrostatic image developing resin-coated carrier and method for producing the sameKONISHIROKU PHOTO IND·Filed 1991·Granted Dec 21, 1993·7 cites·18 claims
- 1147US9555815B2Electric power conversion device, emergency traveling system and railway vehicleTOSHIBA KK·Filed 2014·Granted Jan 31, 2017·0 cites·14 claims
- 1247US5104762ADeveloper for electrophotographyKONISHIROKU PHOTO IND·Filed 1991·Granted Apr 14, 1992·7 cites·10 claims
- 1344US10353311B2White toner for electrostatic charge image development and image forming methodKONICA MINOLTA INC·Filed 2018·Granted Jul 16, 2019·0 cites·3 claims
- 1443US7018765B2Toner particle having a hardnes of 6.0 to 24.0 mN and a circularity of 0.92 to 0.99KONICA CORP·Filed 2003·Granted Mar 28, 2006·2 cites·18 claims
- 1541US5478687ACarrier for negatively chargeable developerKONISHIROKU PHOTO IND·Filed 1994·Granted Dec 26, 1995·5 cites·9 claims
- 1640US5863691AToner for developing electrostatic latent image developer and method for producing imageKONISHIROKU PHOTO IND·Filed 1997·Granted Jan 26, 1999·5 cites·16 claims
- 1740US5093220AElectrostatic latent image developerKONISHIROKU PHOTO IND·Filed 1990·Granted Mar 3, 1992·5 cites·9 claims
- 1839US2008261138A1Electrostatic latent image developing tonerKONICA MINOLTA BUSINESS TECH·Filed 2008·Application pending·0 cites
- 1939US2007275316A1Electrostatic image developing tonerKONICA MINOLTA BUSINESS TECH·Filed 2007·Application pending·0 cites
- 2037US5576134ATwo-component type developer and image forming processKONISHIROKU PHOTO IND·Filed 1994·Granted Nov 19, 1996·4 cites·15 claims
- 2134US8081908B2Toner bottle for electrostatic latent image developingSUKENO MIKIHIKO·Filed 2008·Granted Dec 20, 2011·0 cites·13 claims
- 2232US2004110079A1Electrostatic latent image developing toner and image forming methodMATSUSHIMA ASAO·Filed 2003·Application pending·0 cites
- 2331US2005284673A1Power source device for a vehicleNAKAZAWA YOSUKE·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →