Seiichi Arakawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Guest-host liquid crystal display device
- Patent number 6,621,550
- Issue date Sep 16, 2003
- Sony Corporation
- Seiichi Arakawa
- G02 - OPTICS
Information Patent Grant
Reflection type liquid crystal display device in which pixel electr...
- Patent number 6,172,726
- Issue date Jan 9, 2001
- Sony Corporation
- Masataka Matsute
- G02 - OPTICS
Information Patent Grant
Guest-host liquid crystal display device and guest-host liquid crys...
- Patent number 6,039,893
- Issue date Mar 21, 2000
- Sony Corporation
- Seiichi Arakawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optically active compound and ferroelectric liquid crystal composit...
- Patent number 5,225,105
- Issue date Jul 6, 1993
- Sony Corporation
- Eriko Koseki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ferroelectric liquid crystal display device having monostabilized s...
- Patent number 5,214,523
- Issue date May 25, 1993
- Sony Corporation
- Keiichi Nito
- G02 - OPTICS
Information Patent Grant
Optical recording medium
- Patent number 5,079,135
- Issue date Jan 7, 1992
- Sony Corporation
- Nobuyuki Matsuzawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 4,753,867
- Issue date Jun 28, 1988
- Sony Corporation
- Seiichi Arakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic compounds and photosensitive compositions containing t...
- Patent number 4,565,779
- Issue date Jan 21, 1986
- Sony Corporation
- Seiichi Arakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic photosensitive composition
- Patent number 4,485,168
- Issue date Nov 27, 1984
- Sony Corporation
- Seiichi Arakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Seiichi Arakawa

Person

Patents Grantslast 30 patents

Guest-host liquid crystal display device

Reflection type liquid crystal display device in which pixel electr...

Guest-host liquid crystal display device and guest-host liquid crys...

Optically active compound and ferroelectric liquid crystal composit...

Ferroelectric liquid crystal display device having monostabilized s...

Optical recording medium

Optical recording medium

Photochromic compounds and photosensitive compositions containing t...

Photochromic photosensitive composition