Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9458736 | Wind turbine generator system | Takuji Yanagibashi, Tsutomu Hasegawa, Kiyoshi Sakamoto, Kenichi Azegami | 2016-10-04 |
| 9231441 | Wind power generation system, device using wind power generation system, and method for operating same | Kenichi Azegami, Kiyoshi Sakamoto, Takuji Yanagibashi | 2016-01-05 |
| 9203334 | Wind power generator system, and control method for the same | Kiyoshi Sakamoto, Takuji Yanagibashi, Tsutomu Hasegawa, Masaya Ichinose, Kenichi Azegami +1 more | 2015-12-01 |
| 8716878 | Downwind type wind turbine having transformer therein and operating method thereof | Mitsuru Saeki, Tsutomu Hasegawa, Hiroshi Kato | 2014-05-06 |
| 5215829 | Method for strengthening pressure resistance of a hollowed metallic structure and a pressure resistant structure made thereby | Kenzi Aizawa, Kazumi Anazawa, Kunio Enomoto | 1993-06-01 |