Tadao Nakata

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal polyimide alignment free of scattering domains
- Patent number RE34885
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Hisao Yokokura
- 252 - Compositions
Information Patent Grant
Liquid crystal polyimide alignment free of scattering domains
- Patent number 4,781,439
- Issue date Nov 1, 1988
- Hitachi, Ltd.
- Hisao Yokokura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ferroelectric liquid crystal element with particular alignment film...
- Patent number 4,759,614
- Issue date Jul 26, 1988
- Hitachi, Ltd.
- Hisao Yokokura
- G02 - OPTICS
Information Patent Grant
Liquid crystal compound and liquid crystal composition including th...
- Patent number 4,653,866
- Issue date Mar 31, 1987
- Hitachi, Ltd.
- Susumu Era
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid-crystal compound, liquid crystal composition and liquid crys...
- Patent number 4,645,305
- Issue date Feb 24, 1987
- Hitachi, Ltd.
- Hisao Yokokura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ferroelectric liquid crystal cell with rubbed polyimide alignment l...
- Patent number 4,634,228
- Issue date Jan 6, 1987
- Hitachi, Ltd.
- Kishiro Iwasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...