Inventor · disambiguated record
Katsuhiro Morooka
Also filed as: MOROOKA KATSUHIRO
23 granted patents·1,194 citations·filing 1996–2004
97Inventor score
Top patents by PatentIndex Score
23 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
- 0595US5942363AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Aug 24, 1999·72 cites·22 claims
- 0695US5846680AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Dec 8, 1998·70 cites·22 claims
- 0794US6191249B1Electrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Feb 20, 2001·64 cites·22 claims
- 0894US5910561AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted Jun 8, 1999·60 cites·22 claims
- 0994US5789128AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Aug 4, 1998·73 cites·28 claims
- 1093US6576386B1Aromatic 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
- 1193US6316577B1Electrophotographic photoconductor and aromatic polycarbonate resin for use thereinHODOGAYA CHEMICAL CO LTD·Filed 2000·Granted Nov 13, 2001·34 cites·22 claims
- 1293US6303736B1Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 2000·Granted Oct 16, 2001·37 cites·6 claims
- 1393US6069224AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted May 30, 2000·54 cites·28 claims
- 1492US6486293B1Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 2000·Granted Nov 26, 2002·36 cites·18 claims
- 1592US6187494B1Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductorRICOH KK·Filed 1999·Granted Feb 13, 2001·62 cites·11 claims
- 1692US6172176B1Electrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Jan 9, 2001·49 cites·12 claims
- 1791US6790571B2Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatusRICOH KK·Filed 2002·Granted Sep 14, 2004·31 cites·6 claims
- 1891US6027846AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Feb 22, 2000·49 cites·7 claims
- 1990US6664361B2Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductorRICOH KK·Filed 2001·Granted Dec 16, 2003·35 cites·19 claims
- 2087US6045959AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1998·Granted Apr 4, 2000·39 cites·12 claims
- 2182US6919419B2Aromatic 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
- 2281US6130310AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1999·Granted Oct 10, 2000·28 cites·12 claims
- 2378US7071285B2Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatusRICOH KK·Filed 2004·Granted Jul 4, 2006·12 cites·39 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →