P

Inventor

ONUMA KENJI

JP29 patents
⚠️ This page may combine multiple inventors who share the name “ONUMA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

22 patents
US5381256AJan 10, 1995

Ferroelectric liquid crystal device with fine particles on insulator, having diameter less than substrate gap

CANON KK61 citations96
US5986736ANov 16, 1999

Liquid crystal device, image display apparatus and image forming apparatus

CANON KK28 citations92
US5858482AJan 12, 1999

Liquid crystal device and process for production thereof

CANON KK27 citations92
US5835248ANov 10, 1998

Method of making ferroelectric liquid crystal device using particles to create an unevenness on alignment layer or underlying insulating layer

CANON KK17 citations92
US5548428AAug 20, 1996

Process for injecting ferroelectric liquid crystal with injection completed above atmospheric pressure

CANON KK28 citations92
US5270846ADec 14, 1993

Ferroelectric liquid crystal device having plural inorganic insulating layers

CANON KK43 citations91
US4971829ANov 20, 1990

Spraying process for corona charges spacer material and attracting the same to plate having an electrical potential

CANON KK24 citations89
US9250546B2Feb 2, 2016

Member for electrophotography, process cartridge, and electrophotographic apparatus

CANON KK7 citations82
US6696118B2Feb 24, 2004

Recording medium and image forming method utilizing the same

CANON KK11 citations74
US5764327AJun 9, 1998

Ferroelectric liquid crystal device with uneven surface under alignment film and process for production

CANON KK6 citations74
US5594571AJan 14, 1997

Ferroelectric liquid crystal device and process for production thereof

CANON KK15 citations74
US5568296AOct 22, 1996

Rubbing apparatus with an even number of rubbing rollers with pile yarn on half inclining in the opposite direction to that of the other half

CANON KK5 citations74
US5422750AJun 6, 1995

Method of rubbing an alignment control film using plural rollers

CANON KK15 citations74
US6830790B1Dec 14, 2004

Recording medium, manufacturing process thereof and image forming method using the medium

CANON KK12 citations73
US5353141AOct 4, 1994

Method for aligning treatment of liquid crystal device including varying with time the feeding speed of the rubbing roller

CANON KK17 citations73
US9720353B2Aug 1, 2017

Electrophotographic intermediate transfer member and electrophotographic apparatus

CANON KK6 citations72
US8962133B2Feb 24, 2015

Electrophotographic member, intermediate transfer member, image forming apparatus, and method for manufacturing electrophotographic member

CANON KK4 citations72
US5749973AMay 12, 1998

Apparatus for spraying particulate material in an evaporatable dispersion having elecrical potential

CANON KK10 citations71
US10025232B2Jul 17, 2018

Intermediate transfer member for electrophotography and electrophotographic apparatus

CANON KK1 citations51
US11813883B2Nov 14, 2023

Electrophotographic member and electrophotographic image forming apparatus

CANON KK0 citations50
US12158711B2Dec 3, 2024

Electrophotographic member and electrophotographic image forming apparatus

CANON KK0 citations49
US11669027B2Jun 6, 2023

Electrophotographic belt, method for producing the same, and electrophotographic image forming apparatus

CANON KK0 citations48

TOYOTA TEKKO KK

5 patents

ONUMA KENJI

2 patents