Akio Iwama

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Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Pressure sensitive adhesive sheet for detection of microorganism an...
- Patent number 6,203,900
- Issue date Mar 20, 2001
- Nitto Denko Corporation
- Takeshi Saika
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method of removing dissolved gas from liquid
- Patent number 5,078,755
- Issue date Jan 7, 1992
- Nitto Denko Corporation
- Osami Tozawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for separating methane using permeable membrane
- Patent number 4,964,887
- Issue date Oct 23, 1990
- Nitto Denko Corporation
- Shunichi Shimatani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purification of crude glyceride oil compositions
- Patent number 4,787,981
- Issue date Nov 29, 1988
- Pinoru Oil Mills Co.
- Seiichi Tanahashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Composite membrane and process for producing the same
- Patent number 4,618,534
- Issue date Oct 21, 1986
- Nitto Electric Industrial Co., Ltd.
- Akio Iwama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing composite membrane
- Patent number 4,590,098
- Issue date May 20, 1986
- Nitto Electric Industrial Co., Ltd.
- Yoshitaka Kazuse
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Selective permeable membranes comprising a polyquinazolone-based po...
- Patent number 4,529,793
- Issue date Jul 16, 1985
- Nitto Electric Industrial Co., Ltd.
- Masao Abe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the purification of crude glyceride oil compositions
- Patent number 4,414,157
- Issue date Nov 8, 1983
- Nitto Electric Industrial Co., Ltd.
- Akio Iwama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparing selective permeable membrane
- Patent number 4,410,568
- Issue date Oct 18, 1983
- Nitto Electric Industrial Co., Ltd.
- Akio Iwama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing a selective permeable membrane
- Patent number 4,385,084
- Issue date May 24, 1983
- Nitto Electric Industrial Co., Ltd.
- Akio Iwama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Selective permeable membranes and process for preparing the same
- Patent number 4,358,378
- Issue date Nov 9, 1982
- Nitto Electric Industrial Co., Ltd.
- Akio Iwama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Selective permeable membrane and process for preparing the same
- Patent number 4,240,914
- Issue date Dec 23, 1980
- Nitto Electric Industrial Co., Ltd.
- Akio Iwama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrous gel and process for its preparation
- Patent number 4,102,807
- Issue date Jul 25, 1978
- Nitto Electric Industrial Co., Ltd.
- Akio Iwama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Person

Patents Grantslast 30 patents

Pressure sensitive adhesive sheet for detection of microorganism an...

Method of removing dissolved gas from liquid

Process for separating methane using permeable membrane

Process for purification of crude glyceride oil compositions

Composite membrane and process for producing the same

Process for producing composite membrane

Selective permeable membranes comprising a polyquinazolone-based po...

Process for the purification of crude glyceride oil compositions

Process for preparing selective permeable membrane

Process for preparing a selective permeable membrane

Selective permeable membranes and process for preparing the same

Selective permeable membrane and process for preparing the same

Hydrous gel and process for its preparation