Susumu Era

Person

Ichihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Naphthalocyanine derivatives, production thereof, optical recording...
- Patent number 5,484,685
- Issue date Jan 16, 1996
- Hitachi, Ltd.
- Seiji Tai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Thermoplastic resin composition and molded articles obtained therefrom
- Patent number 5,321,078
- Issue date Jun 14, 1994
- Hitachi Chemical Co., Ltd.
- Kiyotaka Mashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Naphthalocyanine derivative and production process thereof, as well...
- Patent number 5,219,706
- Issue date Jun 15, 1993
- Hitachi, Ltd.
- Seiji Tai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,3-dicyanonaphthalene derivatives
- Patent number 5,214,188
- Issue date May 25, 1993
- Hitachi, Ltd.
- Seiji Tai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Impact modifier, thermoplastic resin composition using the same and...
- Patent number 5,180,786
- Issue date Jan 19, 1993
- Hitachi Chemical Company, Ltd.
- Susumu Era
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Naphthalocyanine derivatives and their use in optical recording medium
- Patent number 5,034,309
- Issue date Jul 23, 1991
- Hitachi Chemical Co., Ltd.
- Seiji Tai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ferroelectric liquid crystal device
- Patent number 5,020,883
- Issue date Jun 4, 1991
- Hitachi, Ltd.
- Susumu Era
- G02 - OPTICS
Information Patent Grant
Optical data storage medium
- Patent number 4,942,073
- Issue date Jul 17, 1990
- Hitachi, Ltd.
- Susumu Era
- G11 - INFORMATION STORAGE
Information Patent Grant
Novel naphthalocyanine dye, method for preparing the same, and opti...
- Patent number 4,927,735
- Issue date May 22, 1990
- Hitachi Chemical Company, Ltd.
- Susumu Era
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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-...
Information Patent Grant
Ether imides and process for producing the same
- Patent number 4,460,783
- Issue date Jul 17, 1984
- Hitachi, Ltd.
- Akio Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic polyamides containing ether linkages and process for produ...
- Patent number 4,278,786
- Issue date Jul 14, 1981
- Hitachi, Ltd.
- Ken Nanaumi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing high impact and weather resistant graft copol...
- Patent number 4,154,777
- Issue date May 15, 1979
- Hitachi Chemical Company, Ltd.
- Fusaji Shoji
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Person

Patents Grantslast 30 patents

Naphthalocyanine derivatives, production thereof, optical recording...

Liquid crystal polyimide alignment free of scattering domains

Thermoplastic resin composition and molded articles obtained therefrom

Naphthalocyanine derivative and production process thereof, as well...

2,3-dicyanonaphthalene derivatives

Impact modifier, thermoplastic resin composition using the same and...

Naphthalocyanine derivatives and their use in optical recording medium

Ferroelectric liquid crystal device

Optical data storage medium

Novel naphthalocyanine dye, method for preparing the same, and opti...

Liquid crystal polyimide alignment free of scattering domains

Ferroelectric liquid crystal element with particular alignment film...

Liquid crystal compound and liquid crystal composition including th...

Liquid-crystal compound, liquid crystal composition and liquid crys...

Ferroelectric liquid crystal cell with rubbed polyimide alignment l...

Ether imides and process for producing the same

Aromatic polyamides containing ether linkages and process for produ...

Process for producing high impact and weather resistant graft copol...