P

Inventor

ITOH OSAMU

JP35 patents
⚠️ This page may combine multiple inventors who share the name “ITOH OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

16 patents
US6362862B1Mar 26, 2002

Liquid crystal display

HITACHI LTD62 citations96
US6137560AOct 24, 2000

Active matrix type liquid crystal display apparatus with light source color compensation

HITACHI LTD65 citations96
US5841496ANov 24, 1998

Reflective liquid crystal display device

HITACHI LTD71 citations96
US5818554AOct 6, 1998

Reflective liquid crystal display apparatus which does not require a back light

HITACHI LTD59 citations96
US5519523AMay 21, 1996

Liquid crystal display device with residual retardation compensated for in liquid crystal layer

HITACHI LTD80 citations96
US6104460AAug 15, 2000

Reflective LCD with cylindrical pattern formed in reflecting electrode region

HITACHI LTD38 citations93
US5973759AOct 26, 1999

Liquid crystal projector

HITACHI LTD37 citations92
US6094240AJul 25, 2000

Liquid crystal display polarizing beam splitter with specific incidence angle

HITACHI LTD18 citations84
US5835175ANov 10, 1998

Liquid crystal display apparatus

HITACHI LTD10 citations74
US5828431AOct 27, 1998

Reflective-type display device having a refractive index ratio between light scatterers and host between 1 and 1.8

HITACHI LTD12 citations74
US5485295AJan 16, 1996

Liquid crystal display apparatus having driving voltage to enable light of many wavelengths to take a same sign along one axis of a poincare sphere

HITACHI LTD15 citations73
US5291322AMar 1, 1994

Supertwisted, nematic liquid crystal display device with LC birefringence at least 0.2 and LC retardation at least 1 micrometer

HITACHI LTD9 citations73
US7433012B2Oct 7, 2008

Active matrix type liquid crystal display apparatus

HITACHI LTD2 citations63
US7209211B2Apr 24, 2007

Active matrix type liquid crystal display apparatus

HITACHI LTD2 citations63
US6621538B1Sep 16, 2003

Active matrix type liquid crystal display apparatus including liquid crystal layer having different thicknesses at portions where different colors of light are transmitted

HITACHI LTD3 citations63
US7684005B2Mar 23, 2010

Active matrix type liquid crystal display apparatus

HITACHI LTD0 citations52

NIHON MEDIPHYSICS CO LTD

3 patents

MEIJI SEIKA KAISHA

3 patents

DENSO CORP

2 patents

MITSUBISHI ELECTRIC CORP

2 patents

NIPPON DENSO CO

1 patent

KAO CORP

1 patent

GLORY KOGYO KK

1 patent

HITACHI DISPLAYS LTD

1 patent

VLSI TECHNOLOGY RES ASS

1 patent

FUJI ELECTRIC CO LTD

1 patent

YAMAMOTO TOSHIYA

1 patent

DAIICHI RADIOISOTOPE LAB

1 patent

TANAKA HOLDINGS CO LTD

1 patent