Inventor · disambiguated record
Tadaaki Hattori
Also filed as: HATTORI TADAAKI
16 granted patents·3 pending applications·59 citations·filing 1990–2011
90Inventor score
Top patents by PatentIndex Score
19 records- 0184US8535116B2Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the sameABE HIROYA·Filed 2011·Granted Sep 17, 2013·3 cites·8 claims
- 0280US8023867B2Magnet roller and method for the same, magnetic particle-support member, development device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Sep 20, 2011·6 cites·17 claims
- 0373US7890030B2Magnetic roller, developer carrier, developing device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Feb 15, 2011·4 cites·6 claims
- 0469US8105672B2Electroconductive member, process cartridge, and image forming apparatusNAKAMURA MAKOTO·Filed 2007·Granted Jan 31, 2012·3 cites·19 claims
- 0568US8135316B2Development roller, development device, process cartridge and image forming deviceKOJIMA TOSHIO·Filed 2009·Granted Mar 13, 2012·3 cites·17 claims
- 0668US8041259B2Conductive member, process cartridge including same, and image forming apparatus including the process cartridgeRICOH CO LTD·Filed 2008·Granted Oct 18, 2011·3 cites·14 claims
- 0764US5081658AMethod of measuring plating amount and plating film composition of plated steel plate and apparatus thereforNIPPON KOKAN KK·Filed 1990·Granted Jan 14, 1992·29 cites·19 claims
- 0862US7917067B2Magnetic field generating member and manufacturing method thereof, magnetic particle support body, image development device, process cartridge and image forming apparatusRICOH CO LTD·Filed 2008·Granted Mar 29, 2011·2 cites·16 claims
- 0961US7493064B2Electric conductive member, process cartridge and image forming apparatusRICOH KK·Filed 2006·Granted Feb 17, 2009·2 cites·13 claims
- 1058US7899374B2Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the sameRICOH CO LTD·Filed 2008·Granted Mar 1, 2011·1 cites·7 claims
- 1156US8500615B2Magnetic roller and manufacturing method thereof, developer carrier, development device, processing cartridge, and image forming apparatusIMAMURA TSUYOSHI·Filed 2008·Granted Aug 6, 2013·2 cites·14 claims
- 1256US7515852B2Conductive member, charging member using the conductive member, process cartridge using the charging member and image forming apparatus using process cartridgeRICOH KK·Filed 2006·Granted Apr 7, 2009·1 cites·22 claims
- 1349US7907876B2Developer carrier, development device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Mar 15, 2011·0 cites·9 claims
- 1442US7734221B2Conductive member, process cartridge using conductive member and image formation apparatus using process cartridgeRICOH KK·Filed 2007·Granted Jun 8, 2010·0 cites·20 claims
- 1540US7693455B2Conductive member, process cartridge having conductive member, and image forming apparatus having process cartridgeRICOH KK·Filed 2007·Granted Apr 6, 2010·0 cites·18 claims
- 1640US2008232865A1Magnet roller, developing agent carrier, developing unit, process cartridge and image forming apparatus using sameTERASHIMA MIEKO·Filed 2008·Application pending·0 cites
- 1738US8133161B2Conductive member, process cartridge, and image forming apparatusOSHIMA TADAYUKI·Filed 2007·Granted Mar 13, 2012·0 cites·12 claims
- 1835US2008226355A1Development device, process cartridge, and image formation apparatusKOETSUKA KYOHTA·Filed 2008·Application pending·0 cites
- 1934US2009154961A1Develop unit, process cartridge, and image formation apparatusKAMIYA NORIYUKI·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →