Yoshijiro Arikawa

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Hitachi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for removing nitrogen oxides from flue gas by absorption
- Patent number 4,081,509
- Issue date Mar 28, 1978
- Hitachi, Ltd.
- Yukio Hishinuma
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for making nitrogen oxides contained in flue gas harmless
- Patent number 4,031,185
- Issue date Jun 21, 1977
- Hitachi, Ltd.
- Hidetoshi Akimoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL