Inventor
NAKAYAMA YUJI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
17 patentsUS6311037B1Oct 30, 2001
Image-bearing member cleaning method and electrophotographic image forming apparatus
CANON KK24 citations92
US6233417B1May 15, 2001
Image forming apparatus
CANON KK23 citations92
US6122467ASep 19, 2000
Image forming apparatus using an amorphous silicon photosensitive member having a thin cylinder
CANON KK19 citations92
US6110629AAug 29, 2000
Electrophotographic, photosensitive member and image forming apparatus
CANON KK25 citations92
US5621511AApr 15, 1997
Fixing apparatus with sheet interval adjustment and fixing interruptions
CANON KK23 citations92
US7254364B2Aug 7, 2007
Cleaning blade for an image forming apparatus featuring a supporting portion and a cleaning portion having specified hardness and friction properties for the portions
CANON KK14 citations84
US6704539B2Mar 9, 2004
Image-forming apparatus and cleaning blade
CANON KK16 citations84
US6522856B2Feb 18, 2003
Image forming apparatus including bearing and conveying member with excessive-wear prevention properties
CANON KK14 citations84
US6240269B1May 29, 2001
Image forming apparatus having a photosensitive member of amorphous silicon base and system for exposing and charging the photosensitive member
CANON KK19 citations84
US6226479B1May 1, 2001
Electrophotographic photosensitive member and image forming apparatus
CANON KK16 citations84
US6560427B2May 6, 2003
Electrophotographic image forming apparatus
CANON KK15 citations83
US6605405B2Aug 12, 2003
Electrophotographic method and electrophotographic apparatus
CANON KK10 citations74
US6055404AApr 25, 2000
Cleaning device for electrophotographic apparatus, electrophotographic apparatus, method for cleaning light receiving member of electrophotographic apparatus, and electrophotographic process comprising the cleaning method
CANON KK11 citations73
US10372053B2Aug 6, 2019
Recorded material and image forming method
CANON KK1 citations59
US6556233B2Apr 29, 2003
Electrophotographic apparatus and electrophotographic method featuring a photosensitive member having a linear EV characteristic
CANON KK1 citations52
US6330412B1Dec 11, 2001
Electrophotographic apparatus
CANON KK0 citations52
US6169868B1Jan 2, 2001
Electrophotographic apparatus
CANON KK1 citations52
TAKASAGO PERFUMERY CO LTD
9 patentsUS7442797B2Oct 28, 2008
Platinum complex and light emitting device
TAKASAGO PERFUMERY CO LTD162 citations98
US9128393B2Sep 8, 2015
Triphenylamine derivative, and charge transport material and electrophotographic photoreceptor using the same
TAKASAGO PERFUMERY CO LTD0 citations52
US10072033B2Sep 11, 2018
N-(phosphinoalkyl)-N-(thioalkyl)amine derivative, method for producing same, and metal complex thereof
TAKASAGO PERFUMERY CO LTD0 citations51
US11098074B2Aug 24, 2021
Chiral tetradentate ligand, method for producing same and transition metal complex of said chiral tetradentate ligand
TAKASAGO PERFUMERY CO LTD0 citations45
US10584140B2Mar 10, 2020
Method for producing ruthenium complex
TAKASAGO PERFUMERY CO LTD0 citations42
US10059729B2Aug 28, 2018
Ruthenium complex, method for producing same, and use of same
TAKASAGO PERFUMERY CO LTD0 citations40
US10407448B2Sep 10, 2019
N-N-bis(2-dialkylphosphinoethyl)amine-borane complex and production method therefor, and method for producing ruthenium complex containing N,N-bis(2-dialkylphosphinoethyl)amine as ligand
TAKASAGO PERFUMERY CO LTD0 citations39
US10550141B2Feb 4, 2020
Tetradentate ligand, and production method therefor, synthetic intermediate thereof, and transition metal complex thereof
TAKASAGO PERFUMERY CO LTD0 citations35
US9416148B2Aug 16, 2016
Phosphorus compound and transition metal complex of the same
TAKASAGO PERFUMERY CO LTD0 citations35