Japan | U.S. |
Patent No. 4731607 (Link to Certificate of Granted Patent) |
Patent: granted |
US | UK |
Patent 7,948,106 B2 (Link to Certificate of Granted Patent) |
Patent GB2442929 (Link to Certificate of Granted Patent) |
China | Japan |
Patent 784832 (Link to Certificate of Granted Patent) |
Patent No. 4947800 |
electric power generator and electric power generation method |
エネルギー 応用技術研究所 |
PUREDC | GREEN PLANET | CLEVER BOY |
Registration No.5029870 | Registration No.5039203 | Registration No.5029869 | Registration No.5173803 |