Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7093861 | Exhaust pipe joint structure and coil spring used in the same | Hironobu Sasada, Takashi Yanagihara | 2006-08-22 |
| 6729354 | Double-pipe-structure hollow member, method of manufacturing double-pipe-structure hollow member, and fluid treating system employing double-pipe-structure hollow member | Seiji Ishizu, Kazushi Wakide, Yasuhiro Nobata, Akiyoshi Yamamoto, Mamoru Yashima | 2004-05-04 |
| 5308090 | Spiral wound gasket | Eiichi Hamada, Koji Shimoji, Mamoru Yashima, Takahisa Ueda, Keiji Okada +1 more | 1994-05-03 |