Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8418753 | Heat exchange tube | Tetsuaki Nakayama, Yasuyuki Watanabe, Toshihiro Kondo, Atsumu Naoi, Hideyuki Ushiyama | 2013-04-16 |
| 7066296 | Valve device for silencer | Masayuki Uegane | 2006-06-27 |
| 5712454 | Exhaust system in internal combustion engine | Hidenori Ozawa, Kazuhiro Tsuda, Katsunori Muramatsu, Ryoichi Matsushima | 1998-01-27 |