Ritsu Yasukawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst and method for catalytic reduction of nitrogen oxides
- Patent number 6,045,765
- Issue date Apr 4, 2000
- Sakai Chemical Industry Co., Ltd.
- Tadao Nakatsuji
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Removal of nitrogen oxide from exhaust gas
- Patent number 5,853,679
- Issue date Dec 29, 1998
- Japan as represented by Director General of Agency of Industrial Science and...
- Mitsunori Tabata
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Catalyst for catalytic reduction of nitrogen oxides
- Patent number 5,733,837
- Issue date Mar 31, 1998
- Sakai Chemical Industry Co., Ltd.
- Tadao Nakatsuji
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for catalytic reduction of nitrogen oxide
- Patent number 5,474,965
- Issue date Dec 12, 1995
- Sakai Chemical Industry Co., Ltd.
- Tadao Nakatsuji
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for catalytic reduction of nitrogen oxide
- Patent number 5,380,692
- Issue date Jan 10, 1995
- Sakai Chemical Industry Co., Ltd.
- Tadao Nakatsuji
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL