Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9006913 | Cogeneration apparatus | — | 2015-04-14 |
| 8894759 | Cogeneration apparatus | — | 2014-11-25 |
| 8674529 | Cogeneration apparatus | — | 2014-03-18 |
| 8446023 | Cogeneration apparatus case venting system | Atsumu Naoi | 2013-05-21 |