David William Yang

Follow

Person

Island South, HK

People

Patents Grantslast 30 patents

Information Patent Grant
System and methods for wind energy recapture from a non natural win...
- Patent number 8,939,724
- Issue date Jan 27, 2015
- Green Earth Power Company Limited
- Hisanori Koya
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
System and Methods for Wind Energy Recapture From a Non Natural Win...
- Publication number 20110293419
- Publication date Dec 1, 2011
- Hisanori Koya
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...