Inventor · disambiguated record
Sadayuki Iwai
Also filed as: IWAI SADAYUKI
26 granted patents·2 pending applications·792 citations·filing 1995–2008
97Inventor score
Top patents by PatentIndex Score
28 records- 0197US6347212B1Image forming apparatus having improved image carrier cleaningRICOH KK·Filed 2000·Granted Feb 12, 2002·91 cites·131 claims
- 0296US6611672B2Image forming apparatus, monocolor image forming apparatus, toner recycling apparatus and intermediate transfer memberRICOH KK·Filed 2001·Granted Aug 26, 2003·90 cites·58 claims
- 0396US5923930AApparatus for controlling density of liquid developing solution and apparatus for forming imagesRICOH KK·Filed 1998·Granted Jul 13, 1999·84 cites·25 claims
- 0495US7343126B2Image forming apparatus including a transfer belt having image forming units disposed thereaboutRICOH KK·Filed 2007·Granted Mar 11, 2008·15 cites·14 claims
- 0595US5708938AWet process image forming apparatus and carrier vapor collecting device thereforRICOH KK·Filed 1995·Granted Jan 13, 1998·94 cites·6 claims
- 0694US7693466B2Method for arranging image forming sectionsRICOH KK·Filed 2008·Granted Apr 6, 2010·11 cites·5 claims
- 0794US6115576AImage forming apparatus using a developing liquid and including an intermediate transfer bodyRICOH KK·Filed 1999·Granted Sep 5, 2000·69 cites·6 claims
- 0893US6757512B2Tandem image forming device, image forming apparatus and method for using the sameRICOH KK·Filed 2001·Granted Jun 29, 2004·32 cites·61 claims
- 0992US7203452B2Tandem image forming device having a side-by-side arrangement of image forming sectionsRICOH KK·Filed 2004·Granted Apr 10, 2007·28 cites·16 claims
- 1090US7454528B2Image output apparatus using close range radio contact wherein radio contact element is attached to document on which an image is recordedRICOH KK·Filed 2005·Granted Nov 18, 2008·13 cites·20 claims
- 1190US5987281AImage forming apparatusRICOH KK·Filed 1998·Granted Nov 16, 1999·48 cites·29 claims
- 1288US5809388AImage forming apparatus and fixing device thereforRICOH KK·Filed 1997·Granted Sep 15, 1998·43 cites·30 claims
- 1387US5987282AImage forming apparatus with a developing device using a developing liquidRICOH KK·Filed 1998·Granted Nov 16, 1999·41 cites·16 claims
- 1485US6947682B2Image forming apparatus for reducing toner scatterRICOH KK·Filed 2003·Granted Sep 20, 2005·26 cites·21 claims
- 1584US7783209B2Image forming apparatus and method of activating the apparatus during filling with developing agentRICOH KK·Filed 2008·Granted Aug 24, 2010·7 cites·18 claims
- 1683US7715761B2Image forming unit, process cartridge, and image forming apparatusRICOH KK·Filed 2007·Granted May 11, 2010·8 cites·22 claims
- 1782US5864737AImage forming device which forms an electric field to discharge an objectRICOH KK·Filed 1996·Granted Jan 26, 1999·33 cites·41 claims
- 1881US7715760B2Charging device, and process cartridge and image forming apparatus using the sameRICOH KK·Filed 2006·Granted May 11, 2010·6 cites·13 claims
- 1976US7155152B2Method of image transfer, method of and apparatus for image formingRICOH KK·Filed 2003·Granted Dec 26, 2006·16 cites·40 claims
- 2070US7962658B2Image output apparatus using close range radio contact wherein radio contact element is attached to document on which an image is recordedRICOH CO LTD·Filed 2008·Granted Jun 14, 2011·2 cites·3 claims
- 2167US6912370B2Dual sided image printing device and methodRICOH KK·Filed 2001·Granted Jun 28, 2005·10 cites·73 claims
- 2263US6792222B2Image formation apparatus for amplifying differences in potential for image and non-image sections of photo sensorRICOH KK·Filed 2002·Granted Sep 14, 2004·7 cites·10 claims
- 2362US6889030B2Image forming apparatus with an intermediate image transfer body and provisions for correcting image transfer distortionsRICOH KK·Filed 2003·Granted May 3, 2005·8 cites·42 claims
- 2457US7095972B2Toner image transfer method, toner image transfer device and image forming apparatusRICOH KK·Filed 2003·Granted Aug 22, 2006·6 cites·22 claims
- 2554US6934482B2Image formation method for amplifying differences in potential for image and non-image sections of photo sensorRICOH KK·Filed 2004·Granted Aug 23, 2005·4 cites·10 claims
- 2654US2006029783A1Image forming apparatus, intermediate image transfer belt therefor and method of producing the beltIWAI SADAYUKI·Filed 2005·Application pending·0 cites
- 2741US7711283B2Image forming method and image forming apparatusRICOH KK·Filed 2006·Granted May 4, 2010·0 cites·11 claims
- 2839US2001048990A1Image forming apparatus, intermediate image transfer belt therefor and method of producing the beltRICOH KK·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →