Akira Kumagai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust gas treatment apparatus
- Patent number 9,039,813
- Issue date May 26, 2015
- Chiyoda Corporation
- Noboru Takei
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Exhaust gas treatment apparatus
- Patent number 8,961,666
- Issue date Feb 24, 2015
- CHIYODA CORPORATION
- Noboru Takei
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Exhaust gas treating method
- Patent number 8,663,594
- Issue date Mar 4, 2014
- Chiyoda Corporation
- Kazushige Kawamura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Wet desulfurization process for treating a flue gas
- Patent number 4,911,901
- Issue date Mar 27, 1990
- Chiyoda Corporation
- Yoshio Ogawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
EXHAUST GAS TREATMENT APPARATUS
- Publication number 20120273979
- Publication date Nov 1, 2012
- CHIYODA CORPORATION
- Noboru Takei
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
EXHAUST GAS TREATMENT APPARATUS
- Publication number 20120267806
- Publication date Oct 25, 2012
- CHIYODA CORPORATION
- Noboru Takei
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
EXHAUST GAS TREATING METHOD
- Publication number 20100061909
- Publication date Mar 11, 2010
- CHIYODA CORPORATION
- Kazushige Kawamura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL