Inventor · disambiguated record
Shinichi Kawamura
Also filed as: KAWAMURA SHINICHI
99 granted patents·13 pending applications·2,340 citations·filing 1985–2025
99Inventor score
Top patents by PatentIndex Score
112 records- 0198US6548216B2Electrophotographic photoconductor, image forming method and apparatus, and process cartridge using the photoconductor, and long-chain alkyl group containing bisphenol compound and polymer made therefromRICOH KK·Filed 2001·Granted Apr 15, 2003·77 cites·17 claims
- 0298US6210848B1Electrophotographic photoconductor, and process cartridge and image forming apparatus using the sameRICOH KK·Filed 2000·Granted Apr 3, 2001·103 cites·26 claims
- 0397US6492079B2Electrophotographic photoconductor, image forming apparatus, and process cartridge using the photoconductorRICOH KK·Filed 2001·Granted Dec 10, 2002·84 cites·17 claims
- 0497US6444387B2Image bearing material, electrophotographic photoreceptor using the image bearing material, and image forming apparatus using the photoreceptorRICOH KK·Filed 2000·Granted Sep 3, 2002·84 cites·50 claims
- 0596US7122284B2Electrophotographic photoconductor, image forming method and apparatus, and process cartridge using the photoconductor, and long-chain alkyl group containing bisphenol compound and polymer made therefromRICOH KK·Filed 2005·Granted Oct 17, 2006·17 cites·3 claims
- 0696US6194535B1Electrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Feb 27, 2001·85 cites·6 claims
- 0796US6187492B1Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 1999·Granted Feb 13, 2001·81 cites·6 claims
- 0896US6066428AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted May 23, 2000·100 cites·6 claims
- 0995US11844246B1Display deviceJAPAN DISPLAY INC·Filed 2023·Granted Dec 12, 2023·2 cites·30 claims
- 1095US5976746AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted Nov 2, 1999·65 cites·12 claims
- 1193US6596449B2Electrophotographic photoreceptor, and process cartridge and electrophotographic image forming apparatus using the electrophotographic photoreceptorRICOH KK·Filed 2001·Granted Jul 22, 2003·45 cites·63 claims
- 1293US6576386B1Aromatic block polycarbonate resin, diphenol compound for preparation of the polycarbonate resin, electrophotographic photoconductor, electrophotographic image forming apparatus and process, and process cartridgeRICOH KK·Filed 2000·Granted Jun 10, 2003·39 cites·4 claims
- 1393US6303736B1Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 2000·Granted Oct 16, 2001·37 cites·6 claims
- 1492US7277540B1Arithmetic method and apparatus and crypto processing apparatus for performing multiple types of cryptographyTOSHIBA KK·Filed 2000·Granted Oct 2, 2007·103 cites·4 claims
- 1592US6486293B1Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 2000·Granted Nov 26, 2002·36 cites·18 claims
- 1692US6187494B1Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 1999·Granted Feb 13, 2001·62 cites·11 claims
- 1792US6172176B1Electrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Jan 9, 2001·49 cites·12 claims
- 1891US9356780B2Device, method, and system for encrypted communication by using encryption keyTOSHIBA KK·Filed 2014·Granted May 31, 2016·17 cites·8 claims
- 1991US6790571B2Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatusRICOH KK·Filed 2002·Granted Sep 14, 2004·31 cites·6 claims
- 2090US7194090B2Encryption apparatus, decryption apparatus, expanded key generating apparatus and method therefor, and recording mediumTOSHIBA KK·Filed 2001·Granted Mar 20, 2007·60 cites·24 claims
- 2190US6664361B2Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductorRICOH KK·Filed 2001·Granted Dec 16, 2003·35 cites·19 claims
- 2289US7919220B2Electrophotographic photoreceptor, image forming apparatus and process cartridgeRICOH CO LTD·Filed 2007·Granted Apr 5, 2011·10 cites·8 claims
- 2388US7871747B2Electrophotographic photoconductor having charge blocking and moire preventing layersRICOH CO LTD·Filed 2006·Granted Jan 18, 2011·9 cites·7 claims
- 2487US7550554B2Aryl amine polymer, thin film transistor using the new aryl amine polymer, and method of manufacturing the thin film transistorRICOH KK·Filed 2006·Granted Jun 23, 2009·10 cites·21 claims
- 2587US6974654B2Electrophotographic photoconductor, image forming method and apparatus, and process cartridge using the photoconductor, and long-chain alkyl group containing bisphenol compound and polymer made therefromRICOH KK·Filed 2003·Granted Dec 13, 2005·19 cites·17 claims
- 2687US6045959AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted Apr 4, 2000·39 cites·12 claims
- 2786US7056633B2Electrophotographic photoconductor, image forming method and apparatus, and process cartidge using the photocondutor, and long-chain alkyl group containing bisphenol compound and polymer made therefromRICOH KK·Filed 2003·Granted Jun 6, 2006·19 cites·39 claims
- 2885US12317692B2Display deviceJAPAN DISPLAY INC·Filed 2024·Granted May 27, 2025·0 cites·20 claims
- 2985US7209556B2Encryption apparatus and method, and decryption apparatus and method based on block encryptionTOSHIBA KK·Filed 2005·Granted Apr 24, 2007·12 cites·11 claims
- 3085US7166689B2Aryl amine polymer, thin film transistor using the aryl amine polymer, and method of manufacturing the thin film transistorRICOH KK·Filed 2004·Granted Jan 23, 2007·36 cites·22 claims
- 3185US6891950B1Extended key generator, encryption/decryption unit, extended key generation method, and storage mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 10, 2005·53 cites·4 claims
- 3284US6939651B2Electrophotographic photoconductor, and process cartridge and electrophotographic apparatus using the sameRICOH KK·Filed 2002·Granted Sep 6, 2005·23 cites·22 claims
- 3384US6670641B1Thin film transistor, method of manufacturing the same and thin film transistor liquid crystal display deviceTOSHIBA KK·Filed 2000·Granted Dec 30, 2003·27 cites·10 claims
- 3484US5858807AMethod of manufacturing liquid crystal display deviceTOSHIBA KK·Filed 1996·Granted Jan 12, 1999·71 cites·10 claims
- 3583US12010878B2Display deviceJAPAN DISPLAY INC·Filed 2023·Granted Jun 11, 2024·0 cites·25 claims
- 3683US2025255115A1Display deviceJAPAN DISPLAY INC·Filed 2025·Application pending·0 cites
- 3782US6919419B2Aromatic block polycarbonate resin, diphenol compound for preparation of the polycarbonate resin, electro-photographic photoconductor, electro-photographic image forming apparatus and process, and process cartridgeHODOGAYA CHEMICAL CO LTD·Filed 2003·Granted Jul 19, 2005·19 cites·11 claims
- 3882US6096585AMethod of manufacturing thin film transistorTOSHIBA KK·Filed 1997·Granted Aug 1, 2000·62 cites·15 claims
- 3981US7227948B2Encryption apparatus and method, and decryption apparatus and method based on block encryptionTOSHIBA KK·Filed 2001·Granted Jun 5, 2007·29 cites·18 claims
- 4081US6486046B2Method of forming polycrystalline semiconductor filmTOSHIBA KK·Filed 2001·Granted Nov 26, 2002·25 cites·14 claims
- 4181US6130310AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Oct 10, 2000·28 cites·12 claims
- 4280US10087935B2Motor-driven compressorTOYOTA JIDOSHOKKI KK·Filed 2016·Granted Oct 2, 2018·2 cites·8 claims
- 4380US7745988B23, 6-diphenylcarbazole compound and organic electroluminescent deviceRICOH KK·Filed 2004·Granted Jun 29, 2010·27 cites·10 claims
- 4480US5244863AIminothiazolines, their production and use as herbicides, and intermediates for their productionSUMITOMO CHEMICAL CO·Filed 1991·Granted Sep 14, 1993·17 cites·21 claims
- 4579US5773844AMethod of forming a polycrystalline silicon layer, a thin film transistor having the polycrystalline silicon layer, method of manufacturing the same, and a liquid crystal display device having the thin film transistorTOSHIBA KK·Filed 1996·Granted Jun 30, 1998·48 cites·7 claims
- 4678US7071285B2Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatusRICOH KK·Filed 2004·Granted Jul 4, 2006·12 cites·39 claims
- 4776US5136642ACryptographic communication method and cryptographic communication deviceTOSHIBA KK·Filed 1991·Granted Aug 4, 1992·81 cites·8 claims
- 4874US7496759B2Multisignature method, apparatus, program, and systemTOSHIBA KK·Filed 2005·Granted Feb 24, 2009·6 cites·33 claims
- 4972US7305085B2Encryption apparatus and method, and decryption apparatus and method based on block encryptionTOSHIBA KK·Filed 2001·Granted Dec 4, 2007·17 cites·9 claims
- 5071US4949293AMethod and apparatus for computing residue with respect to arbitrary modulusTOSHIBA KK·Filed 1988·Granted Aug 14, 1990·28 cites·2 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →