Inventor
NIIMI TATSUYA
JP69 patents
⚠️ This page may combine multiple inventors who share the name “NIIMI TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
39 patentsUS5871876AFeb 16, 1999
Electrophotographic photoconductor
RICOH KK157 citations99
US6641964B2Nov 4, 2003
Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK80 citations98
US6326112B1Dec 4, 2001
Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor
RICOH KK117 citations98
US6790572B2Sep 14, 2004
Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK52 citations96
US6757507B2Jun 29, 2004
Image formation apparatus using a dry two-component developer for development
RICOH KK49 citations96
US6576388B2Jun 10, 2003
Multilayer electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the photoreceptor
RICOH KK68 citations96
US6558863B2May 6, 2003
Electrophotographic photoreceptor, electrophotographic image forming method and apparatus using the photoreceptor
RICOH KK59 citations96
US5853935ADec 29, 1998
Electrophotographic photoconductor
RICOH KK63 citations96
US5677094AOct 14, 1997
Electrophotographic photoconductor
RICOH KK53 citations96
US5547790AAug 20, 1996
Electrophotographic photoconductor containing polymeric charge transporting material in charge generating and transporting layers
RICOH KK47 citations96
US6653033B1Nov 25, 2003
Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same
RICOH KK46 citations95
US6573016B2Jun 3, 2003
Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same
RICOH KK71 citations95
US6858362B2Feb 22, 2005
Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK24 citations93
US6562531B2May 13, 2003
Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK35 citations93
US6516169B2Feb 4, 2003
Electrophotographic image forming apparatus having a gap between photoreceptor and charger, and process cartridge therefor
RICOH KK34 citations93
US6218533B1Apr 17, 2001
Method for manufacturing pigment, electrophotographic photoconductor using the pigment and electrophotographic image forming method and apparatus using the photoconductor
RICOH KK40 citations93
US6132911AOct 17, 2000
Method for manufacturing pigment, electrophotographic photoconductor using the pigment and electrophotographic image forming method and apparatus using the photoconductor
RICOH KK40 citations93
US6087055AJul 11, 2000
Electrophotographic photoconductor
RICOH KK42 citations93
US6902857B2Jun 7, 2005
Method for forming electrophotographic image and electrographic device
RICOH KK48 citations92
US6902858B2Jun 7, 2005
Image formation apparatus using a dry two-component developer for development
RICOH KK21 citations92
US6844124B2Jan 18, 2005
Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK31 citations92
US5804343ASep 8, 1998
Electrophotographic photoconductor
RICOH KK35 citations92
US7796902B2Sep 14, 2010
Image forming condition adjustment control for image forming apparatus
RICOH KK11 citations84
US7764906B2Jul 27, 2010
Image forming apparatus and image forming method
RICOH KK11 citations84
US7670743B2Mar 2, 2010
Image forming method
RICOH KK8 citations84
US7560203B2Jul 14, 2009
Electrophotographic photoreceptor, method of image formation, image formation apparatus and process cartridge for image formation apparatus
RICOH KK12 citations84
US6677091B2Jan 13, 2004
Electrophotographic photoreceptor and electrophotographic apparatus
RICOH KK13 citations84
US7371491B2May 13, 2008
Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor
RICOH KK8 citations74
US7371490B2May 13, 2008
Photoconductor, image forming apparatus, image forming process, and process cartridge
RICOH KK7 citations74
US7186490B1Mar 6, 2007
Photosensitive material, electrophotographic photoreceptor using the material, and electrophotographic image forming method and apparatus using the photoreceptor
RICOH KK9 citations74
US7060404B2Jun 13, 2006
Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor and image forming apparatus using the electrophotographic photoreceptor
RICOH KK8 citations74
US7029810B2Apr 18, 2006
Electrophotographic image forming apparatus
RICOH KK8 citations74
US6803162B2Oct 12, 2004
Electrophotographic image forming apparatus, photoreceptor therefor and method for manufacturing the photoreceptor
RICOH KK9 citations74
US7408659B2Aug 5, 2008
Server computer, information terminal, printing system, remote printing method, recording medium, and computer data signal embeded in a carrier wave
RICOH KK8 citations72
US7824830B2Nov 2, 2010
Coating liquid and electrophotographic photoreceptor prepared using the coating liquid
RICOH KK5 citations63
US7785762B2Aug 31, 2010
Image forming apparatus and image forming method
RICOH KK2 citations63
US7534538B2May 19, 2009
Coating liquid for intermediate layer in electrophotographic photoconductor, electrophotographic photoconductor utilizing the same, image forming apparatus and process cartridge for image forming apparatus
RICOH KK3 citations63
US7354686B2Apr 8, 2008
Electrophotographic photoconductor and process for manufacturing the same, and image forming apparatus and process cartridge containing the same
RICOH KK6 citations63
US7282529B2Oct 16, 2007
Coating liquid for an electrographic photoreceptor and a method of preparation using a ball mill
RICOH KK2 citations63
RICOH CO LTD
5 patentsUS7871747B2Jan 18, 2011
Electrophotographic photoconductor having charge blocking and moire preventing layers
RICOH CO LTD9 citations83
US11904058B2Feb 20, 2024
Hydrogel object and method of manufacturing hydrogel object
RICOH CO LTD0 citations63
US11639400B2May 2, 2023
Active energy ray curable liquid, method of manufacturing fabrication object, resin fabrication object, and gel fabrication object
RICOH CO LTD0 citations63
US11597139B2Mar 7, 2023
Solid freeform fabrication object, method of manufacturing solid freeform fabrication object, liquid set for solid freeform fabrication, and device for manufacturing solid freeform fabrication object
RICOH CO LTD0 citations63
US7846635B2Dec 7, 2010
Image forming apparatus, image forming method and process cartridge
RICOH CO LTD4 citations63
IWATA HIROSHI
2 patentsUS10882245B2Jan 5, 2021
Method of manufacturing three-dimensional object, liquid set for manufacturing three-dimensional object, device for manufacturing three-dimensional object, and gel object
IWATA HIROSHI2 citations72
US10584194B2Mar 10, 2020
Active energy ray curable liquid composition, method for manufacturing three-dimensional objects, and apparatus for manufacturing three-dimensional objects
IWATA HIROSHI2 citations72
TAKEDA PHARMACEUTICAL
1 patentASTELLAS PHARMA INC
1 patentNIIMI TATSUYA
1 patentTAKEDA PHARMACEUTICALS CO
1 patentShowing the top 50 of 69 patents by PatentIndex Score.