P

Inventor

YAMADA SHUHEI

JP64 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA SHUHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

22 patents
US7108400B2Sep 19, 2006

Light source unit and projector

SEIKO EPSON CORP33 citations93
US5972240AOct 26, 1999

Liquid crystal composite material and liquid crystal display device(s) which use them

SEIKO EPSON CORP28 citations92
US5453864ASep 26, 1995

Liquid crystal element and electronic apparatus

SEIKO EPSON CORP41 citations92
US5356558AOct 18, 1994

Tolane derivatives, liquid crystal compositions containing the derivatives and liquid crystal display devices using the compositions

SEIKO EPSON CORP20 citations90
US7360903B2Apr 22, 2008

Light source device, method for manufacturing light source device, and projection type display apparatus

SEIKO EPSON CORP13 citations84
US4684220AAug 4, 1987

2-phenylpyridine derivatives and liquid crystal compositions including same

SEIKO EPSON CORP24 citations81
US6844905B2Jan 18, 2005

Alignment film, method for fabricating the alignment film, liquid crystal device, and projection type display device

SEIKO EPSON CORP7 citations74
US6046791AApr 4, 2000

Polymer dispersed liquid crystal electro-optical device and method for manufacturing the same

SEIKO EPSON CORP13 citations74
US5314640AMay 24, 1994

Tolan derivatives, liquid crystal compositions including same, liquid crystal display devices including the compositions and method of preparation

SEIKO EPSON CORP12 citations74
US4883609ANov 28, 1989

Pyrimidine derivatives

SEIKO EPSON CORP6 citations74
US10948783B2Mar 16, 2021

Liquid crystal apparatus and electronic device

SEIKO EPSON CORP2 citations73
US10026370B2Jul 17, 2018

Liquid crystal apparatus and electronic equipment

SEIKO EPSON CORP3 citations73
US6025895AFeb 15, 2000

Liquid crystal display with mutually oriented and dispersed birefringent polymer and liquid crystal and random oriented twist alignment

SEIKO EPSON CORP9 citations73
US5867237AFeb 2, 1999

Polymer dispersed liquid crystal display device and method of producing a display device

SEIKO EPSON CORP16 citations73
US4879060ANov 7, 1989

2-phenylpyridine derivatives and liquid crystal compositions including same

SEIKO EPSON CORP11 citations73
US4723018AFeb 2, 1988

2-phenylpyridine derivatives

SEIKO EPSON CORP11 citations72
US5437815AAug 1, 1995

Tolan derivative, liquid crystal composition containing the derivative, and liquid crystal display device having the composition

SEIKO EPSON CORP7 citations71
US7390588B2Jun 24, 2008

Fuel cell and process for the production thereof

SEIKO EPSON CORP7 citations68
US7307444B2Dec 11, 2007

Testing method and testing apparatus for liquid crystal panel

SEIKO EPSON CORP2 citations63
US5030382AJul 9, 1991

Pyrimidine derivatives

SEIKO EPSON CORP5 citations63
US5872607AFeb 16, 1999

Liquid crystal display device and method for producing such

SEIKO EPSON CORP6 citations62
US5200110AApr 6, 1993

Pyrimidine derivatives and liquid crystal compositions including same

SEIKO EPSON CORP3 citations61

INTEL CORP

8 patents

FUJIMI INC

3 patents

OMRON TATEISI ELECTRONICS CO

3 patents

CENTRAL GLASS CO LTD

2 patents

KUMON SOICHI

2 patents

SUMITOMO WIRING SYSTEMS

2 patents

NISSAN CHEMICAL CORP

2 patents

TOYODA GOSEI KK

1 patent

UNIV HAWAII

1 patent

FUJI CORP

1 patent

KAINUMA MAKOTO

1 patent

MURATA MANUFACTURING CO

1 patent

ONO TAKEHIRO

1 patent

Showing the top 50 of 64 patents by PatentIndex Score.