Hiroko Watanabe

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust gas purification apparatus
- Patent number 7,010,910
- Issue date Mar 14, 2006
- Hitachi, Ltd.
- Hiroko Watanabe
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Exhaust gas purification filter for diesel internal combustion engi...
- Publication number 20060029526
- Publication date Feb 9, 2006
- Hitachi, Ltd
- Hiroko Watanabe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Apparatus and method for purifying exhaust gas of internal combusti...
- Publication number 20050188684
- Publication date Sep 1, 2005
- HITACHI, LTD.
- Norihiro Shinotsuka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Exhaust gas purification apparatus
- Publication number 20040093861
- Publication date May 20, 2004
- Hitachi, Ltd.
- Hiroko Watanabe
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES