Inventor
FUJIWARA RYOJI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “FUJIWARA RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
23 patentsUS5479283ADec 26, 1995
Ferroelectric liquid crystal apparatus having a threshold voltage greater than the polarization value divided by the insulating layer capacitance
CANON KK69 citations96
US4850681AJul 25, 1989
Optical modulation device
CANON KK71 citations94
US5475515ADec 12, 1995
Liquid crystal device having a stretched porous polymer film impregnated with a low molecular weight mesomorphic compound
CANON KK28 citations93
US7259520B2Aug 21, 2007
Electron emission device, electron source, and image display having dipole layer
CANON KK21 citations92
US7109663B2Sep 19, 2006
Electron emission device, electron source, and image display having dipole layer
CANON KK26 citations92
US6106906AAug 22, 2000
Material for forming electroconductive film, method of forming electroconductive film by using the same and method of manufacturing electron-emitting device, electron source and image-forming apparatus
CANON KK34 citations92
US5675351AOct 7, 1997
Method and apparatus for driving active matrix liquid crystal device
CANON KK19 citations84
US5396352AMar 7, 1995
Liquid crystal apparatus with gradation information signals and DC bias
CANON KK15 citations82
US5327272AJul 5, 1994
Optical modulation element
CANON KK19 citations82
US4892594AJan 9, 1990
Photovoltaic element
CANON KK9 citations74
US4670334AJun 2, 1987
Transparent electroconductive film
CANON KK8 citations74
US4605285AAug 12, 1986
Electrochromic device
CANON KK6 citations74
US5321538AJun 14, 1994
Method for gradation display using a liquid crystal optical element with minute insulation portions on the electrodes
CANON KK14 citations73
US5270844ADec 14, 1993
Liquid crystal optical element with minute insulation portions on the electrodes
CANON KK14 citations73
US4902109AFeb 20, 1990
Electrochromic device
CANON KK5 citations63
US7811625B2Oct 12, 2010
Method for manufacturing electron-emitting device
CANON KK4 citations62
US7733006B2Jun 8, 2010
Electron-emitting device and manufacturing method thereof
CANON KK2 citations62
US7583016B2Sep 1, 2009
Producing method for electron-emitting device and electron source, and image display apparatus utilizing producing method for electron-emitting device
CANON KK3 citations62
US5260817ANov 9, 1993
Liquid crystal optical device comprising a liquid crystal pixel and a parallel circuit for providing a gradation of display
CANON KK6 citations59
US5838410ANov 17, 1998
Optical modulation element
CANON KK0 citations52
US7682213B2Mar 23, 2010
Method of manufacturing an electron emitting device by terminating a surface of a carbon film with hydrogen
CANON KK0 citations51
US7400099B2Jul 15, 2008
Flat panel image display device
CANON KK0 citations51
US7994701B2Aug 9, 2011
Electron-emitting device, electron source, image display apparatus, and manufacturing method of electron-emitting device
CANON KK0 citations41