Inventor · disambiguated record
Tomoharu Nishikawa
Also filed as: NISHIKAWA TOMOHARU
14 granted patents·1 pending application·63 citations·filing 1994–2009
90Inventor score
Technology areasG03G
Top patents by PatentIndex Score
15 records- 0168US5849452Adeveloping method using an oscillated electric field and including a specified toner and carrierMINOLTA CO LTD·Filed 1997·Granted Dec 15, 1998·19 cites·20 claims
- 0253US6130019ABinder carrierMINOLTA CO LTD·Filed 1998·Granted Oct 10, 2000·10 cites·25 claims
- 0351US6306552B1Carrier having specified bet specific surface area and dynamic current value and two-component developer thereofMINOLTA CO LTD·Filed 2000·Granted Oct 23, 2001·4 cites·20 claims
- 0450US8086151B2Developing roller specific for mono-component developing apparatusNISHIKAWA TOMOHARU·Filed 2008·Granted Dec 27, 2011·1 cites·10 claims
- 0550US5834152ACarrier and developer for electrophotographic latent image development, and image forming method using sameMINOLTA CO LTD·Filed 1996·Granted Nov 10, 1998·9 cites·33 claims
- 0645US8213844B2Developing device and image forming apparatusNISHIKAWA TOMOHARU·Filed 2009·Granted Jul 3, 2012·0 cites·10 claims
- 0738US5472817ACarrier for development of electrostatic latent imagesMINOLTA CO LTD·Filed 1994·Granted Dec 5, 1995·4 cites·18 claims
- 0837US5736287ADevelopment methodMINOLTA CO LTD·Filed 1997·Granted Apr 7, 1998·4 cites·20 claims
- 0936US5962175ABinder-type carrier and method of manufacturing sameMINOLTA CO LTD·Filed 1998·Granted Oct 5, 1999·3 cites·20 claims
- 1034US6099999ABinder carrier comprising magnetic particles and specific resinMINOLTA CO LTD·Filed 1999·Granted Aug 8, 2000·2 cites·20 claims
- 1134US6001526ABinder carrier containing ethylenic unsaturated nitrile copolymer as binder resinMINOLTA CO LTD·Filed 1999·Granted Dec 14, 1999·2 cites·25 claims
- 1233US6165664ATwo-component developing agent and image forming method using such a developing agentMINOLTA CO LTD·Filed 1999·Granted Dec 26, 2000·2 cites·20 claims
- 1333US5689781ACarrier for electrostatic latent image developingMINOLTA CO LTD·Filed 1995·Granted Nov 18, 1997·2 cites·21 claims
- 1432US2002098437A1Binder-type carrier and two-component developer utilizing the carrierFiled 2001·Application pending·0 cites
- 1531US6007956ACarrier and developer for developing electrostatic latent imagesMINOLTA CO LTD·Filed 1996·Granted Dec 28, 1999·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →