Inventor
ISOGAI MASATO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “ISOGAI MASATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS5194973AMar 16, 1993
Liquid crystal display device and display apparatus using same
HITACHI LTD69 citations96
US4508429AApr 2, 1985
Method for driving liquid crystal element employing ferroelectric liquid crystal
HITACHI LTD88 citations96
US5064520ANov 12, 1991
Method and apparatus for forming a film
HITACHI LTD78 citations95
US4576732AMar 18, 1986
Ferroelectric liquid crystal compounds and liquid crystal compositions
HITACHI LTD112 citations94
US6430066B2Aug 6, 2002
Electric power system having series connected capacitor
HITACHI LTD33 citations92
US4591886AMay 27, 1986
Driving method and apparatus for optical printer with liquid-crystal switching element
HITACHI LTD39 citations92
US4586791AMay 6, 1986
Optical modulation element with surface parallel and unidirectional alignment of LC
HITACHI LTD49 citations92
US7495415B2Feb 24, 2009
DC backup power supply system
HITACHI LTD50 citations91
US4634226AJan 6, 1987
Optical apparatus using ferroelectric liquid crystal and switching unit for emitted light
HITACHI LTD39 citations90
US4759614AJul 26, 1988
Ferroelectric liquid crystal element with particular alignment film and a method for manufacturing the same
HITACHI LTD23 citations81
US4400059AAug 23, 1983
Liquid crystal display device
HITACHI LTD11 citations74
US5313293AMay 17, 1994
Dot-matrix type display device
HITACHI LTD7 citations73
US4836657AJun 6, 1989
Optical change-over switch utilizing ferroelectric liquid crystal material
HITACHI LTD18 citations73
US5176854AJan 5, 1993
Non-linear optical device
HITACHI LTD7 citations71
US5101411AMar 31, 1992
Organic non-linear optical device
HITACHI LTD11 citations69
US5898607AApr 27, 1999
Recording/reproducing method and recording/reproducing apparatus
HITACHI LTD2 citations62
HITACHI COMP PERIPHERALS CO
3 patentsBROTHER IND LTD
2 patentsUS12173169B2Dec 24, 2024
Water-based ink, printed recording medium, inkjet recording method, inkjet recording device, and ink storage container
BROTHER IND LTD0 citations53
US12134703B2Nov 5, 2024
Water-based ink, printed recording medium, inkjet recording method, inkjet recording device, and ink storage container
BROTHER IND LTD0 citations53