Hiroshi Takahashi

Person

Ohtake, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Porous polypropylene hollow fiber membrane of large pore diameter,...
- Patent number 5,547,756
- Issue date Aug 20, 1996
- Mitsubishi Rayon Co., Ltd.
- Jun Kamo
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Porous polyethylene hollow fiber membrane of large pore diameter, p...
- Patent number 5,294,338
- Issue date Mar 15, 1994
- Mitsubishi Rayon Co., Ltd.
- Jun Kamo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process of making porous polypropylene hollow fiber membrane of lar...
- Patent number 5,232,642
- Issue date Aug 3, 1993
- Mitsubishi Rayon Co., Ltd.
- Jun Kamo
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for preparing acrylonitrile polymer film
- Patent number 5,097,011
- Issue date Mar 17, 1992
- Mitsubishi Rayon Co., Ltd.
- Hiroshi Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Porous membranes and production processes thereof
- Patent number 4,961,853
- Issue date Oct 9, 1990
- Mitsubishi Rayon Co., Ltd.
- Hajime Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Porous membrane
- Patent number 4,919,810
- Issue date Apr 24, 1990
- Mitsubishi Rayon Co., Ltd.
- Hajime Itoh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing porous membranes
- Patent number 4,869,857
- Issue date Sep 26, 1989
- Itsubishi Rayon Co., Ltd.
- Hajime Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hollow-fiber filter module
- Patent number 4,781,832
- Issue date Nov 1, 1988
- Mitsubishi Rayon Co., Ltd.
- Tohru Takemura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hollow-fiber filter module with filtrate conduit
- Patent number 4,720,342
- Issue date Jan 19, 1988
- Mitsubishi Rayon Co., Ltd.
- Tohru Takemura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hollow-fiber filter module
- Patent number 4,605,500
- Issue date Aug 12, 1986
- Mitsubishi Rayon Co., Ltd.
- Tohru Takemura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Hiroshi Takahashi

Person

Patents Grantslast 30 patents

Porous polypropylene hollow fiber membrane of large pore diameter,...

Porous polyethylene hollow fiber membrane of large pore diameter, p...

Process of making porous polypropylene hollow fiber membrane of lar...

Process for preparing acrylonitrile polymer film

Porous membranes and production processes thereof

Porous membrane

Process for producing porous membranes

Hollow-fiber filter module

Hollow-fiber filter module with filtrate conduit

Hollow-fiber filter module