Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8065991 | Working gas circulation engine | Daisaku Sawada, Akira Kato | 2011-11-29 |
| 8047165 | Medium circulating apparatus for improving startability and warm up ability | Yasushi Ito, Makoto Suzuki, Kenichi Yamada, Tomohiro Shinagawa | 2011-11-01 |