Inventor · disambiguated record
Yukiko Iwasaki
Also filed as: IWASAKI YUKIKO
53 granted patents·15 pending applications·2,294 citations·filing 1995–2015
99Inventor score
Top patents by PatentIndex Score
68 records- 0198US6664169B1Process for producing semiconductor member, process for producing solar cell, and anodizing apparatusCANON KK·Filed 2000·Granted Dec 16, 2003·175 cites·39 claims
- 0298US6505022B2Image forming apparatus having protective layer on the surface of image bearing member to avoid adhesion of film of additives to image bearing memberRICOH KK·Filed 2001·Granted Jan 7, 2003·110 cites·40 claims
- 0397US6778790B2Fixing device capable of preventing excessive increase in temperatureRICOH KK·Filed 2002·Granted Aug 17, 2004·89 cites·26 claims
- 0497US6682990B1Separation method of semiconductor layer and production method of solar cellCANON KK·Filed 2000·Granted Jan 27, 2004·153 cites·16 claims
- 0596US6566235B2Process for producing semiconductor member, and process for producing solar cellCANON KK·Filed 2001·Granted May 20, 2003·120 cites·15 claims
- 0696US6452091B1Method of producing thin-film single-crystal device, solar cell module and method of producing the sameCANON KK·Filed 2000·Granted Sep 17, 2002·131 cites·30 claims
- 0796US6448155B1Production method of semiconductor base material and production method of solar cellCANON KK·Filed 2000·Granted Sep 10, 2002·127 cites·36 claims
- 0895US6802926B2Method of producing semiconductor thin film and method of producing solar cell using sameCANON KK·Filed 2001·Granted Oct 12, 2004·102 cites·5 claims
- 0995US6546219B2Method and apparatus for performing a charging process on an image carrying deviceRICOH KK·Filed 2001·Granted Apr 8, 2003·70 cites·22 claims
- 1094US6384313B2Solar cell module and method of producing the sameCANON KK·Filed 2001·Granted May 7, 2002·66 cites·17 claims
- 1194US5606408AImage forming apparatus and cleaning device thereforRICOH KK·Filed 1995·Granted Feb 25, 1997·73 cites·35 claims
- 1293US6470161B2Apparatus for minimizing toner contamination on an image formation memberRICOH KK·Filed 2001·Granted Oct 22, 2002·65 cites·26 claims
- 1393US6248948B1Solar cell module and method of producing the sameCANON KK·Filed 1999·Granted Jun 19, 2001·103 cites·15 claims
- 1492US6118964AMulti-functional contact-type charging unit and image transfer unitRICOH KK·Filed 1998·Granted Sep 12, 2000·56 cites·12 claims
- 1592US6014532AImage forming apparatusRICOH KK·Filed 1998·Granted Jan 11, 2000·59 cites·6 claims
- 1690US6818104B2Anodizing apparatusCANON KK·Filed 2003·Granted Nov 16, 2004·39 cites·7 claims
- 1790US5619316AImage forming apparatusRICOH KK·Filed 1996·Granted Apr 8, 1997·53 cites·5 claims
- 1889US6258666B1Method of producing semiconductor thin film and method of producing solar cell using sameCANON KK·Filed 1999·Granted Jul 10, 2001·82 cites·22 claims
- 1988US7817953B2Image recording medium, sheet feeding device, and image forming apparatusRICOH KK·Filed 2007·Granted Oct 19, 2010·11 cites·13 claims
- 2086US6778797B2Charging roller having elastic memberRICOH KK·Filed 2001·Granted Aug 17, 2004·26 cites·52 claims
- 2185US5804466AProcess for production of zinc oxide thin film, and process for production of semiconductor device substrate and process for production of photoelectric conversion device using the same filmCANON KK·Filed 1997·Granted Sep 8, 1998·74 cites·70 claims
- 2283US8849142B2Image forming deviceSUGIYAMA HIROYUKI·Filed 2012·Granted Sep 30, 2014·3 cites·15 claims
- 2383US6258698B1Process for producing semiconductor substrateCANON KK·Filed 1998·Granted Jul 10, 2001·66 cites·22 claims
- 2482US6172296B1Photovoltaic cellCANON KK·Filed 1997·Granted Jan 9, 2001·63 cites·16 claims
- 2581US8731417B2Image forming apparatus with temperature dependent control unitSHIORI JUN·Filed 2012·Granted May 20, 2014·3 cites·20 claims
- 2681US7344615B2Method and apparatus for performing a charging process on an image carrying deviceRICOH KK·Filed 2005·Granted Mar 18, 2008·5 cites·6 claims
- 2779US6873809B2Image forming apparatus and cleaning device thereforRICOH KK·Filed 2002·Granted Mar 29, 2005·16 cites·36 claims
- 2879US5986204APhotovoltaic cellCANON KK·Filed 1997·Granted Nov 16, 1999·50 cites·6 claims
- 2978US8023877B2Image forming apparatus capable of forming glossy color imageRICOH CO LTD·Filed 2007·Granted Sep 20, 2011·5 cites·17 claims
- 3078US6757505B2Image forming apparatus and cleaning device thereforRICOH KK·Filed 2002·Granted Jun 29, 2004·16 cites·16 claims
- 3176US6211038B1Semiconductor device, and method for manufacturing the sameCANON KK·Filed 1998·Granted Apr 3, 2001·48 cites·13 claims
- 3275US6720237B2Method for manufacturing a semiconductor filmCANON KK·Filed 2002·Granted Apr 13, 2004·15 cites·3 claims
- 3373US7027747B2Method of and apparatus for forming image using a Non-Contact ChargerRICOH KK·Filed 2003·Granted Apr 11, 2006·12 cites·26 claims
- 3472US7909081B2Sheet laminator, image forming apparatus, and sheet laminating methodRICOH CO LTD·Filed 2008·Granted Mar 22, 2011·1 cites·19 claims
- 3571US6977022B2Method and apparatus for performing a charging process on an image carrying deviceRICOH KK·Filed 2002·Granted Dec 20, 2005·11 cites·1 claims
- 3670US8655214B2Image forming apparatus for fixing a not-yet-fixed imageSUGIYAMA HIROYUKI·Filed 2011·Granted Feb 18, 2014·1 cites·20 claims
- 3769US6054024AApparatus for forming transparent conductive film by sputtering and method thereforCANON KK·Filed 1997·Granted Apr 25, 2000·34 cites·18 claims
- 3869US5858120APhotovoltaic deviceCANON KK·Filed 1996·Granted Jan 12, 1999·35 cites·66 claims
- 3969US5668050ASolar cell manufacturing methodCANON KK·Filed 1995·Granted Sep 16, 1997·36 cites·14 claims
- 4067US6258702B1Method for the formation of a cuprous oxide film and process for the production of a semiconductor device using said methodCANON KK·Filed 1998·Granted Jul 10, 2001·30 cites·3 claims
- 4166US7997320B2Sheet cutter and image forming apparatus including the sheet cutterRICOH CO LTD·Filed 2008·Granted Aug 16, 2011·3 cites·19 claims
- 4266US7883089B2Image forming apparatusRICOH CO LTD·Filed 2007·Granted Feb 8, 2011·3 cites·7 claims
- 4363US7865121B2Image forming apparatus and recording mediumRICOH CO LTD·Filed 2007·Granted Jan 4, 2011·2 cites·9 claims
- 4463US5800632APhotovoltaic device and method for manufacturing itCANON KK·Filed 1996·Granted Sep 1, 1998·26 cites·34 claims
- 4562US7175706B2Process of producing multicrystalline silicon substrate and solar cellCANON KK·Filed 2003·Granted Feb 13, 2007·4 cites·5 claims
- 4662US6110347AMethod for the formation of an indium oxide film by electrodeposition process or electroless deposition process, a substrate provided with the indium oxide film for a semiconductor element, and a semiconductor element provided with the substrateCANON KABUSHIKI KASHIA·Filed 1998·Granted Aug 29, 2000·22 cites·22 claims
- 4758US2008185091A1Sheet bonding machine, image forming apparatus including same, and sheet bonding methodRICOH KK·Filed 2008·Application pending·0 cites
- 4858US2009044915A1Sheet bonding machine, image forming apparatus including same, and sheet bonding methodRICOH KK·Filed 2008·Application pending·0 cites
- 4957US2008196832A1Sheet adhering apparatus and sheet adhering methodRICOH KK·Filed 2008·Application pending·0 cites
- 5053US9042802B2Image forming apparatusHASE TAKAMASA·Filed 2014·Granted May 26, 2015·0 cites·13 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →