Inventor · disambiguated record
Susumu Suzuka
Also filed as: SUZUKA SUSUMU
35 granted patents·979 citations·filing 1974–2004
98Inventor score
Top patents by PatentIndex Score
35 records- 0196US6194535B1Electrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Feb 27, 2001·85 cites·6 claims
- 0296US6187492B1Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 1999·Granted Feb 13, 2001·81 cites·6 claims
- 0396US6066428AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted May 23, 2000·100 cites·6 claims
- 0495US5976746AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted Nov 2, 1999·65 cites·12 claims
- 0594US4780553AElectrophotographic toner and compounds useful for the tonerHODOGAYA CHEMICAL CO LTD·Filed 1987·Granted Oct 25, 1988·63 cites·7 claims
- 0694US4683188AElectrophotographic toner containing metal complex charge control agentHODOGAYA CHEMICAL CO LTD·Filed 1986·Granted Jul 28, 1987·62 cites·5 claims
- 0793US6576386B1Aromatic 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
- 0893US6303736B1Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 2000·Granted Oct 16, 2001·37 cites·6 claims
- 0992US6486293B1Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 2000·Granted Nov 26, 2002·36 cites·18 claims
- 1092US6187494B1Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 1999·Granted Feb 13, 2001·62 cites·11 claims
- 1192US6172176B1Electrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Jan 9, 2001·49 cites·12 claims
- 1291US6790571B2Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatusRICOH KK·Filed 2002·Granted Sep 14, 2004·31 cites·6 claims
- 1390US6664361B2Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductorRICOH KK·Filed 2001·Granted Dec 16, 2003·35 cites·19 claims
- 1487US6045959AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted Apr 4, 2000·39 cites·12 claims
- 1583US4521605ACarbazole compounds and process for preparing the sameHODOGAYA CHEMICAL CO LTD·Filed 1982·Granted Jun 4, 1985·16 cites·10 claims
- 1682US6919419B2Aromatic 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
- 1781US6130310AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Oct 10, 2000·28 cites·12 claims
- 1878US7071285B2Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatusRICOH KK·Filed 2004·Granted Jul 4, 2006·12 cites·39 claims
- 1970US4019907APhotosensitive azido color-forming elementHODOGAYA CHEMICAL CO LTD·Filed 1974·Granted Apr 26, 1977·16 cites·12 claims
- 2069US3930672APressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acidHODOGAYA CHEMICAL CO LTD·Filed 1974·Granted Jan 6, 1976·7 cites·7 claims
- 2168US6858161B2Method for purifying electronic item materialHODOGAYA CHEMICAL CO LTD·Filed 2001·Granted Feb 22, 2005·10 cites·13 claims
- 2265US4908225AUse of a resin powder composition for electrostatic coatingHODOGAYA CHEMICAL CO LTD·Filed 1989·Granted Mar 13, 1990·19 cites·5 claims
- 2365US4003747APhotosensitive azide compound containing color-forming elementHODOGAYA CHEMICAL CO LTD·Filed 1975·Granted Jan 18, 1977·8 cites·9 claims
- 2464US4694088AFluoran compoundsHODOGAYA CHEMICAL CO LTD·Filed 1985·Granted Sep 15, 1987·7 cites·3 claims
- 2562US4465761AImage-forming photosensitive compositionORIENTAL PHOTO IND CO LTD·Filed 1982·Granted Aug 14, 1984·11 cites·15 claims
- 2655US5166438A1,3-pentadiene derivatives and electrophotographic photoconductor using the sameRICOH KK·Filed 1991·Granted Nov 24, 1992·10 cites·4 claims
- 2753US5260156A1,3-pentadiene derivatives and electrophotographic photoconductor using the sameRICOH KK·Filed 1992·Granted Nov 9, 1993·9 cites·18 claims
- 2843US4612558AFluoran compoundsHODOGAYA CHEMICAL CO LTD·Filed 1985·Granted Sep 16, 1986·4 cites·5 claims
- 2941US4550329AHeat sensitive record materialHODOGAYA CHEMICAL CO LTD·Filed 1984·Granted Oct 29, 1985·4 cites·9 claims
- 3041US4539577AHeat sensitive record materialHODOGAYA CHEMICAL CO LTD·Filed 1984·Granted Sep 3, 1985·4 cites·7 claims
- 3139US5252750APolyolefin amino derivativesRICOH KK·Filed 1991·Granted Oct 12, 1993·4 cites·13 claims
- 3237US5068350APolyolefin derivativesRICOH KK·Filed 1990·Granted Nov 26, 1991·3 cites·6 claims
- 3333US4965157AElectrophotographic photoconductor and polyolefin derivatives employed in the same photoconductorRICOH KK·Filed 1990·Granted Oct 23, 1990·2 cites·6 claims
- 3432US4642663A6-tetrahydrofurfurylaminofluoran compound useful as a color former on an heat sensitive recording sheetHODOGAYA CHEMICAL CO LTD·Filed 1985·Granted Feb 10, 1987·1 cites·11 claims
- 3528US4597795A6-tetrahydrofurfurylaminofluoran compound useful as a color formerHODOGAYA CHEMICAL CO LTD·Filed 1985·Granted Jul 1, 1986·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →