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Yoshihisa Katoh
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Toyota, JP
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last 30 patents
Information
Patent Grant
Apparatus for making ester
Patent number
5,128,107
Issue date
Jul 7, 1992
Toshiba Ceramics Co., Ltd.
Yoshihisa Katoh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ceramic filter
Patent number
5,011,603
Issue date
Apr 30, 1991
Toshiba Ceramics Co., Ltd.
Yoshihisa Katoh
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic filter modules in series with piston backwash
Patent number
4,957,625
Issue date
Sep 18, 1990
Toshiba Ceramics Co. Ltd.
Yoshihisa Katoh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and apparatus for separating solid-liquid compositions
Patent number
4,909,950
Issue date
Mar 20, 1990
Toshiba Ceramics Co., Ltd.
Yoshihisa Katoh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and apparatus for gas dissolution
Patent number
4,897,204
Issue date
Jan 30, 1990
Toshiba Ceramics Co., Ltd.
Yoshihisa Katoh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and apparatus for separating solid-liquid compositions
Patent number
4,863,617
Issue date
Sep 5, 1989
Toshiba Ceramics Co., Ltd.
Yoshihisa Katoh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electric discharge machine using a ceramic filter to filter the wor...
Patent number
4,839,488
Issue date
Jun 13, 1989
Toshiba Ceramics Co., Ltd.
Yoshihisa Katoh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for filtering Bacillus subtilis
Patent number
4,751,007
Issue date
Jun 14, 1988
Kobayashi; Takeshi
Takeshi Kobayashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL