Takuzo Okumura

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Color liquid crystal displaying panels
- Patent number 4,953,952
- Issue date Sep 4, 1990
- Sumitomo Chemical Company, Ltd.
- Takuzo Okumura
- G02 - OPTICS
Information Patent Grant
Light-polarizing film
- Patent number 4,895,677
- Issue date Jan 23, 1990
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- G02 - OPTICS
Information Patent Grant
Vibration-damping material
- Patent number 4,883,717
- Issue date Nov 28, 1989
- Sumitomo Chemical Company, Limited
- Shuji Kitamura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Light-polarizing film
- Patent number 4,859,039
- Issue date Aug 22, 1989
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- G02 - OPTICS
Information Patent Grant
Light-polarizing film
- Patent number 4,803,014
- Issue date Feb 7, 1989
- Sumitomo Chemical Company Limited
- Takuzo Okumura
- G02 - OPTICS
Information Patent Grant
Method of making a light-polarizing plate
- Patent number 4,626,304
- Issue date Dec 2, 1986
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- B32 - LAYERED PRODUCTS
Information Patent Grant
Light-polarizing plate having excellent durability and production o...
- Patent number 4,564,545
- Issue date Jan 14, 1986
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- B32 - LAYERED PRODUCTS
Information Patent Grant
Highly foamed polypropylene product and an extrusion process for fo...
- Patent number 4,522,955
- Issue date Jun 11, 1985
- Sumitomo Chemical Company, Limited
- Nobuo Fukushima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing oriented amorphous aromatic polymeric films
- Patent number 4,120,931
- Issue date Oct 17, 1978
- Sumitomo Chemical Company, Limited
- Nobuo Fukushima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Takuzo Okumura

Person

Patents Grantslast 30 patents

Color liquid crystal displaying panels

Light-polarizing film

Vibration-damping material

Light-polarizing film

Light-polarizing film

Method of making a light-polarizing plate

Light-polarizing plate having excellent durability and production o...

Highly foamed polypropylene product and an extrusion process for fo...

Method of manufacturing oriented amorphous aromatic polymeric films