Keiichi Iwata

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Hiratsuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for cleaning harmful gas
- Patent number 5,597,540
- Issue date Jan 28, 1997
- Japan Pionics Co., Ltd.
- Noboru Akita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for purification of gaseous organometallic compound
- Patent number 5,470,555
- Issue date Nov 28, 1995
- Japan Pionics Co., Ltd.
- Takashi Shimada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for cleaning harmful gas
- Patent number 5,417,948
- Issue date May 23, 1995
- Japan Pionics Co., Ltd.
- Keiichi Iwata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for cleaning harmful gas
- Patent number 5,378,444
- Issue date Jan 3, 1995
- Japan Pionics Co., Ltd.
- Noboru Akita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for purifying gaseous hydrides
- Patent number 5,019,364
- Issue date May 28, 1991
- Japan Pionics Co., Ltd.
- Koichi Kitahara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purifying gaseous hydrides
- Patent number 4,976,942
- Issue date Dec 11, 1990
- Japan Pionics, Ltd.
- Koichi Kitahara
- C01 - INORGANIC CHEMISTRY