Inventor
IWASAKI YUKIKO
JP53 patents
⚠️ This page may combine multiple inventors who share the name “IWASAKI YUKIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
22 patentsUS6664169B1Dec 16, 2003
Process for producing semiconductor member, process for producing solar cell, and anodizing apparatus
CANON KK175 citations99
US6802926B2Oct 12, 2004
Method of producing semiconductor thin film and method of producing solar cell using same
CANON KK102 citations98
US6682990B1Jan 27, 2004
Separation method of semiconductor layer and production method of solar cell
CANON KK153 citations98
US6566235B2May 20, 2003
Process for producing semiconductor member, and process for producing solar cell
CANON KK120 citations98
US6452091B1Sep 17, 2002
Method of producing thin-film single-crystal device, solar cell module and method of producing the same
CANON KK131 citations98
US6448155B1Sep 10, 2002
Production method of semiconductor base material and production method of solar cell
CANON KK127 citations98
US6248948B1Jun 19, 2001
Solar cell module and method of producing the same
CANON KK103 citations98
US6384313B2May 7, 2002
Solar cell module and method of producing the same
CANON KK66 citations96
US6258666B1Jul 10, 2001
Method of producing semiconductor thin film and method of producing solar cell using same
CANON KK82 citations96
US6258698B1Jul 10, 2001
Process for producing semiconductor substrate
CANON KK66 citations96
US6172296B1Jan 9, 2001
Photovoltaic cell
CANON KK63 citations96
US5986204ANov 16, 1999
Photovoltaic cell
CANON KK50 citations96
US5804466ASep 8, 1998
Process 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 film
CANON KK74 citations96
US6818104B2Nov 16, 2004
Anodizing apparatus
CANON KK39 citations93
US6258702B1Jul 10, 2001
Method for the formation of a cuprous oxide film and process for the production of a semiconductor device using said method
CANON KK30 citations93
US6211038B1Apr 3, 2001
Semiconductor device, and method for manufacturing the same
CANON KK48 citations93
US6054024AApr 25, 2000
Apparatus for forming transparent conductive film by sputtering and method therefor
CANON KK34 citations93
US5858120AJan 12, 1999
Photovoltaic device
CANON KK35 citations93
US5800632ASep 1, 1998
Photovoltaic device and method for manufacturing it
CANON KK26 citations93
US5668050ASep 16, 1997
Solar cell manufacturing method
CANON KK36 citations93
US6720237B2Apr 13, 2004
Method for manufacturing a semiconductor film
CANON KK15 citations84
US7175706B2Feb 13, 2007
Process of producing multicrystalline silicon substrate and solar cell
CANON KK4 citations63
RICOH KK
15 patentsUS6778790B2Aug 17, 2004
Fixing device capable of preventing excessive increase in temperature
RICOH KK89 citations98
US6505022B2Jan 7, 2003
Image forming apparatus having protective layer on the surface of image bearing member to avoid adhesion of film of additives to image bearing member
RICOH KK110 citations98
US6118964ASep 12, 2000
Multi-functional contact-type charging unit and image transfer unit
RICOH KK56 citations96
US6014532AJan 11, 2000
Image forming apparatus
RICOH KK59 citations96
US5606408AFeb 25, 1997
Image forming apparatus and cleaning device therefor
RICOH KK73 citations96
US6546219B2Apr 8, 2003
Method and apparatus for performing a charging process on an image carrying device
RICOH KK70 citations95
US6470161B2Oct 22, 2002
Apparatus for minimizing toner contamination on an image formation member
RICOH KK65 citations94
US6778797B2Aug 17, 2004
Charging roller having elastic member
RICOH KK26 citations92
US5619316AApr 8, 1997
Image forming apparatus
RICOH KK53 citations92
US7817953B2Oct 19, 2010
Image recording medium, sheet feeding device, and image forming apparatus
RICOH KK11 citations84
US7027747B2Apr 11, 2006
Method of and apparatus for forming image using a Non-Contact Charger
RICOH KK12 citations84
US6873809B2Mar 29, 2005
Image forming apparatus and cleaning device therefor
RICOH KK16 citations84
US6757505B2Jun 29, 2004
Image forming apparatus and cleaning device therefor
RICOH KK16 citations84
US7344615B2Mar 18, 2008
Method and apparatus for performing a charging process on an image carrying device
RICOH KK5 citations73
US6977022B2Dec 20, 2005
Method and apparatus for performing a charging process on an image carrying device
RICOH KK11 citations73
RICOH CO LTD
6 patentsUS8023877B2Sep 20, 2011
Image forming apparatus capable of forming glossy color image
RICOH CO LTD5 citations62
US7997320B2Aug 16, 2011
Sheet cutter and image forming apparatus including the sheet cutter
RICOH CO LTD3 citations62
US7883089B2Feb 8, 2011
Image forming apparatus
RICOH CO LTD3 citations62
US7865121B2Jan 4, 2011
Image forming apparatus and recording medium
RICOH CO LTD2 citations62
US7960084B2Jun 14, 2011
Method of preparing information recording medium
RICOH CO LTD0 citations51
US7909081B2Mar 22, 2011
Sheet laminator, image forming apparatus, and sheet laminating method
RICOH CO LTD1 citations51
SUGIYAMA HIROYUKI
2 patentsHASE TAKAMASA
2 patentsCANON KABUSHIKI KASHIA
1 patentSHIORI JUN
1 patentSUDO KAZUHISA
1 patentShowing the top 50 of 53 patents by PatentIndex Score.