Hiroaki Takahata

Person

Ichihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical film
- Patent number 8,217,117
- Issue date Jul 10, 2012
- Sumitomo Chemical Company, Limited
- Kyoko Hino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Retardation film and method for production thereof
- Patent number 7,744,969
- Issue date Jun 29, 2010
- Sumitomo Chemical Company, Limited
- Kyoko Hino
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Phase retardation film and liquid crystal display device including...
- Patent number 7,365,815
- Issue date Apr 29, 2008
- Sumitomo Chemical Company, Limited
- Kyoko Hino
- G02 - OPTICS
Information Patent Grant
Optical member and optical product provided therewith
- Patent number 6,885,415
- Issue date Apr 26, 2005
- Sumitomo Chemical Company, Limited
- Ryuma Kuroda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Covering material
- Patent number 6,632,910
- Issue date Oct 14, 2003
- Sumitomo Chemical Company, Limited
- Yasuyuki Takagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Laminated film or sheet process for producing same and laminated st...
- Patent number 6,306,520
- Issue date Oct 23, 2001
- Sumitomo Chemical Company, Limited
- Makoto Nagata
- B32 - LAYERED PRODUCTS
Information Patent Grant
Process for producing laminated film and laminated sheet
- Patent number 5,913,999
- Issue date Jun 22, 1999
- Sumitomo Chemical Company, Limited
- Haruo Hayashida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING RETARDATION FILM OF THERMOPLASTIC RESIN
- Publication number 20100283191
- Publication date Nov 11, 2010
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Hiroaki Takahata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING PRECURSOR FILM FOR RETARDATION FILM MADE OF P...
- Publication number 20100283177
- Publication date Nov 11, 2010
- Hiroaki Takahata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING RETARDATION FILM
- Publication number 20100276826
- Publication date Nov 4, 2010
- Hiroaki Takahata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING OPTICAL FILM MADE OF THERMOPLASTIC RESIN
- Publication number 20100258960
- Publication date Oct 14, 2010
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Hiroaki Takahata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
OPTICAL FILM
- Publication number 20100222517
- Publication date Sep 2, 2010
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Kyoko Hino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PRECURSOR FILM FOR RETARDATION FILMS, RETARDATION FILM, AND LIQUID...
- Publication number 20100149470
- Publication date Jun 17, 2010
- Kyoko Hino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RETARDATION FILM AND METHOD FOR PRODUCTION THEREOF
- Publication number 20090227756
- Publication date Sep 10, 2009
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Kyoko Hino
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Phase retardation film and liquid crystal display device including...
- Publication number 20050280758
- Publication date Dec 22, 2005
- Sumitomo Chemical Company, Limited
- Kyoko Hino
- G02 - OPTICS
Information Patent Application
Expandable resin composition and propylene-based resin foam
- Publication number 20040198854
- Publication date Oct 7, 2004
- Sumitomo Chemical Company, Limited
- Hiroaki Takahata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Resin composition comprising saponifield ethylene-vinyl acetate cop...
- Publication number 20040024120
- Publication date Feb 5, 2004
- Kyoko Hino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Foamed polypropylene resin sheet
- Publication number 20030186039
- Publication date Oct 2, 2003
- Sumitomo Chemical Company, Limited
- Satoshi Hanada
- B32 - LAYERED PRODUCTS
Information Patent Application
Optical member and optical product having the same
- Publication number 20030179460
- Publication date Sep 25, 2003
- Ryuma Kuroda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Film and laminate
- Publication number 20030003315
- Publication date Jan 2, 2003
- Sumitomo Chemical Company, Limited
- Hiroaki Takahata
- B32 - LAYERED PRODUCTS
Information Patent Application
Easily-peelable film
- Publication number 20020122933
- Publication date Sep 5, 2002
- Sumitomo Chemical Company, Limited
- Hiroaki Takahata
- B32 - LAYERED PRODUCTS
Information Patent Application
Covering material
- Publication number 20010053455
- Publication date Dec 20, 2001
- Yasuyuki Takagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Easily- tearable film
- Publication number 20010006736
- Publication date Jul 5, 2001
- Ryuma Kuroda
- B32 - LAYERED PRODUCTS

Hiroaki Takahata

Person

Patents Grantslast 30 patents

Optical film

Retardation film and method for production thereof

Phase retardation film and liquid crystal display device including...

Optical member and optical product provided therewith

Covering material

Laminated film or sheet process for producing same and laminated st...

Process for producing laminated film and laminated sheet

Patents Applicationslast 30 patents

PROCESS FOR PRODUCING RETARDATION FILM OF THERMOPLASTIC RESIN

PROCESS FOR PRODUCING PRECURSOR FILM FOR RETARDATION FILM MADE OF P...

PROCESS FOR PRODUCING RETARDATION FILM

PROCESS FOR PRODUCING OPTICAL FILM MADE OF THERMOPLASTIC RESIN

OPTICAL FILM

PRECURSOR FILM FOR RETARDATION FILMS, RETARDATION FILM, AND LIQUID...

RETARDATION FILM AND METHOD FOR PRODUCTION THEREOF

Phase retardation film and liquid crystal display device including...

Expandable resin composition and propylene-based resin foam

Resin composition comprising saponifield ethylene-vinyl acetate cop...

Foamed polypropylene resin sheet

Optical member and optical product having the same

Film and laminate

Easily-peelable film

Covering material

Easily- tearable film