Inventor · disambiguated record
Takakazu Tanaka
Also filed as: TANAKA TAKAKAZU
20 granted patents·1 pending application·438 citations·filing 1989–2009
96Inventor score
Top patents by PatentIndex Score
21 records- 0198US7927774B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2009·Granted Apr 19, 2011·44 cites·2 claims
- 0298US7585604B2Electrographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2005·Granted Sep 8, 2009·37 cites·11 claims
- 0394US6994941B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2003·Granted Feb 7, 2006·46 cites·25 claims
- 0493US7001699B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2003·Granted Feb 21, 2006·45 cites·16 claims
- 0593US6991881B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2003·Granted Jan 31, 2006·45 cites·13 claims
- 0691US7045261B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2003·Granted May 16, 2006·36 cites·11 claims
- 0783US5677095AElectrophotographic photosensitive memberCANON KK·Filed 1995·Granted Oct 14, 1997·34 cites·23 claims
- 0877US5756248AElectrophotographic photosensitive member and apparatus and process cartridge provided with the sameCANON KK·Filed 1996·Granted May 26, 1998·25 cites·7 claims
- 0976US5912098AElectrophotographic photosensitive member and electrophotographic apparatus and process cartridge including sameCANON KK·Filed 1997·Granted Jun 15, 1999·24 cites·15 claims
- 1073US5415962AElectrophotographic photosensitive member, electrophotographic apparatus using same and device unit using sameCANON KK·Filed 1993·Granted May 16, 1995·19 cites·8 claims
- 1163US6958204B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2004·Granted Oct 25, 2005·8 cites·6 claims
- 1262US6185398B1Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 1999·Granted Feb 6, 2001·14 cites·12 claims
- 1362US5227271AElectrophotographic photosensitive memberCANON KK·Filed 1991·Granted Jul 13, 1993·13 cites·16 claims
- 1461US6818368B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2001·Granted Nov 16, 2004·8 cites·14 claims
- 1561US5158847AElectrophotographic photosensitive member comprising an azo pigment as a charge generating materialCANON KK·Filed 1990·Granted Oct 27, 1992·13 cites·7 claims
- 1655US7009080B2Process for producing halogenated aromatic amine compoundCANON KK·Filed 2003·Granted Mar 7, 2006·1 cites·10 claims
- 1750US5027431ARadio communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jun 25, 1991·15 cites·3 claims
- 1848US6410195B1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2000·Granted Jun 25, 2002·4 cites·14 claims
- 1947US5484673AElectrophotographic photosensitive memberCANON KK·Filed 1995·Granted Jan 16, 1996·7 cites·7 claims
- 2046US2005208402A1Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2005·Application pending·0 cites
- 2130US6180302B1Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus provided with the electrophotographic memberCANON KK·Filed 1998·Granted Jan 30, 2001·0 cites·21 claims
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