Inventor
YAMAUCHI KENICHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “YAMAUCHI KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
12 patentsUS9897931B2Feb 20, 2018
Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus
CANON KK26 citations94
US9740133B2Aug 22, 2017
Charging member, process cartridge and electrophotographic image forming apparatus
CANON KK33 citations94
US9442408B2Sep 13, 2016
Member for electrophotography, method for producing the same, and image forming apparatus
CANON KK33 citations94
US9442451B2Sep 13, 2016
Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus
CANON KK33 citations94
US9360789B1Jun 7, 2016
Member for electrophotography, process cartridge and image forming apparatus
CANON KK36 citations94
US7947339B2May 24, 2011
Process for producing electrophotographic roller member
CANON KK19 citations83
US9268243B2Feb 23, 2016
Electrophotographic member, process cartridge, and electrophotographic apparatus
CANON KK4 citations73
US7627276B2Dec 1, 2009
Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus
CANON KK7 citations73
US10078286B2Sep 18, 2018
Charging member, process cartridge and electrophotographic apparatus
CANON KK4 citations72
US10036971B2Jul 31, 2018
Charging member, process cartridge, and electrophotographic image forming apparatus
CANON KK4 citations72
US10191404B2Jan 29, 2019
Charging member, process cartridge, and electrophotographic apparatus
CANON KK0 citations51
US7747204B2Jun 29, 2010
Developing roller, developing assembly, process cartridge and electrophotographic image forming apparatus
CANON KK1 citations51
NEC CORP
6 patentsUSD354277SJan 10, 1995
Docking station for a notebook computer
NEC CORP20 citations90
USD375515SNov 12, 1996
Music selection device
NEC CORP30 citations89
USD351831SOct 25, 1994
Portable keyboard
NEC CORP21 citations88
USD436980SJan 30, 2001
Projector
NEC CORP7 citations74
USD381321SJul 22, 1997
Electronic connecting device
NEC CORP8 citations68
USD353584SDec 20, 1994
Portable personal computer
NEC CORP5 citations60
YAMAHA CORP
4 patentsUS6278385B1Aug 21, 2001
Vector quantizer and vector quantization method
YAMAHA CORP68 citations96
US9576564B2Feb 21, 2017
Performance recording apparatus
YAMAHA CORP16 citations83
US10614727B2Apr 7, 2020
Musical instrument practice system, playing practice implementation device, content reproduction system, and content reproduction device
YAMAHA CORP0 citations48
US10839781B2Nov 17, 2020
Electronic musical instrument and electronic musical instrument system
YAMAHA CORP0 citations42