Kazuaki Sakakura

Person

Moriguchi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing phase retarder film
- Patent number 5,472,538
- Issue date Dec 5, 1995
- Sumitomo Chemical Co., Ltd.
- Keiichi Minakuchi
- G02 - OPTICS
Information Patent Grant
Phase retarder and process for producing the same
- Patent number 5,285,303
- Issue date Feb 8, 1994
- Sumitomo Chemical Co., Ltd.
- Toyokazu Okada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical film
- Patent number 5,244,713
- Issue date Sep 14, 1993
- Sumitomo Chemical Co., Ltd.
- Kimishige Nakamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Phase retarder and liquid crystal display using the same
- Patent number 5,061,042
- Issue date Oct 29, 1991
- Sumitomo Chemical Co., Ltd.
- Kimishige Nakamura
- G02 - OPTICS
Information Patent Grant
Extruding apparatus for extruding synthetic resin
- Patent number 4,767,303
- Issue date Aug 30, 1988
- Sumitomo Chemical Company, Ltd.
- Kazuaki Sakakura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Extrusion coating method with polyolefin foam
- Patent number 4,146,562
- Issue date Mar 27, 1979
- Sumitomo Chemical Company, Limited
- Nobuo Fukushima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Kazuaki Sakakura

Person

Patents Grantslast 30 patents

Process for producing phase retarder film

Phase retarder and process for producing the same

Optical film

Phase retarder and liquid crystal display using the same

Extruding apparatus for extruding synthetic resin

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

Extrusion coating method with polyolefin foam