Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10968605 | Swivel joint for working machine | Taro Kawamura | 2021-04-06 |
| 8756925 | Exhaust pipe | Hideo Yamashita, Daisaku Sawada | 2014-06-24 |
| 8496871 | Silica structure and method of producing the same, and heat insulating material | Narihito Tatsuda, Kazuhisa Yano, Daisaku Sawada, Eiichi Kamiyama | 2013-07-30 |
| 7661416 | Working-gas-circulation-type engine | Daisaku Sawada | 2010-02-16 |