Inventor · disambiguated record
Sumio Kamoi
Also filed as: KAMOI SUMIO
18 granted patents·6 pending applications·388 citations·filing 1983–2015
95Inventor score
Top patents by PatentIndex Score
24 records- 0185US6262787B1Polymer film liquid crystal display deviceRICOH KK·Filed 1997·Granted Jul 17, 2001·78 cites·9 claims
- 0283US4984873ALiquid crystal display deviceRICOH KK·Filed 1988·Granted Jan 15, 1991·55 cites·1 claims
- 0382US4793691ALiquid crystal color display deviceRICOH KK·Filed 1985·Granted Dec 27, 1988·53 cites·17 claims
- 0479US7027761B2Developing device and an image forming apparatus including the sameRICOH KK·Filed 2004·Granted Apr 11, 2006·17 cites·21 claims
- 0578US4470668AReaction setting, polymer, sealing material for liquid crystal displaysRICOH KK·Filed 1983·Granted Sep 11, 1984·36 cites·11 claims
- 0675US6697593B2Developing device using a developing roller and image forming apparatus including the sameRICOH KK·Filed 2002·Granted Feb 24, 2004·17 cites·6 claims
- 0770US5566013ALiquid crystal display apparatus which prevents bubbles with a spacer density of 201 to 800 mm2RICOH KK·Filed 1994·Granted Oct 15, 1996·33 cites·3 claims
- 0865US8047940B2Heat-resistant resin belt, manufacturing method thereof and image forming apparatusRICOH CO LTD·Filed 2008·Granted Nov 1, 2011·2 cites·9 claims
- 0965US7366454B2Long magnet, production method thereof, magnet roller and image forming deviceRICOH KK·Filed 2004·Granted Apr 29, 2008·8 cites·38 claims
- 1063US5513026AMethod of producing a liquid crystal display with a spacerRICOH KK·Filed 1995·Granted Apr 30, 1996·31 cites·5 claims
- 1162US7352983B2Development magnet roller, development device, process cartridge and image forming apparatusRICOH KK·Filed 2004·Granted Apr 1, 2008·8 cites·52 claims
- 1257US7203450B2Developing roller, developing apparatus, process cartridge, and image formation apparatusRICOH KK·Filed 2004·Granted Apr 10, 2007·6 cites·16 claims
- 1357US5044733ASuper twisted nematic liquid crystal display device having the standard deviation of the spherical grains being not more than 3% and the dispersion quantity of the spherical grains being 100-200 grains/mm2RICOH KK·Filed 1990·Granted Sep 3, 1991·21 cites·3 claims
- 1453US7189338B2Image forming apparatus and developing device thereforRICOH KK·Filed 2003·Granted Mar 13, 2007·5 cites·11 claims
- 1551US6379759B2Sealing agent for liquid crystal display and liquid crystal display using the sealing agentRICOH KK·Filed 1998·Granted Apr 30, 2002·18 cites·5 claims
- 1650US8038819B2Heat-resistant resin endless belt producing methodRICOH CO LTD·Filed 2010·Granted Oct 18, 2011·0 cites·3 claims
- 1749US2015004416A1Belt assembly, image-forming apparatus, and method for manufacturing the belt assemblyTANAKA TAKASHI·Filed 2014·Application pending·0 cites
- 1847US8175501B2Development roller including a development sleeve, surface treatment device that treats an outer surface of the development sleeve and wire member that roughens the outer surface of the development sleeveKAMIYA NORIYUKI·Filed 2011·Granted May 8, 2012·0 cites·9 claims
- 1945US7572388B2Magnet compound material to be compression molded, a molded elongate magnetic, a magnet roller, a developing agent-carrying body, a developing apparatus and an image-forming apparatusRICOH KK·Filed 2006·Granted Aug 11, 2009·0 cites·9 claims
- 2042US2014183420A1Seamless belt and production method thereof, and image forming apparatusKAMOI SUMIO·Filed 2013·Application pending·0 cites
- 2140US2007059047A1Development roller, surface treatment device and wire memberKAMIYA NORIYUKI·Filed 2006·Application pending·0 cites
- 2237US2015072148A1Conductive resin belt, method of manufacturing the conductive resin belt, and image forming apparatus employing the conductive resin beltHAYASHI YUMIKO·Filed 2014·Application pending·0 cites
- 2332US2008220355A1Image carrier, lubricant-molded body, lubricant application device, image forming apparatus and process cartridgeRICOH KK·Filed 2008·Application pending·0 cites
- 2424US2015227090A1Electroconductive resin belt, method of preparing the same, and image forming apparatus having the sameKAMOI SUMIO·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →