HIROMI KOGA

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TOKYO, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air purification-functioning road and method for purifying polluted...
- Patent number 6,699,577
- Issue date Mar 2, 2004
- Ishihara Sangyo Kaisha, Ltd.
- Noboru Nonoyama
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
AIR PURIFICATION-FUNCTIONING ROAD AND METHOD FOR PURIFYING POLLUTED...
- Publication number 20030129412
- Publication date Jul 10, 2003
- NOBORU NONOYAMA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL