Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190567 | Heavy hammer type wave power generation method and device | Chenghao Piao, Takeyoshi Kimra, Yotaku Ra | 2019-01-29 |
| 8008870 | Constant-current drive circuit | — | 2011-08-30 |