Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Yasuhiro Nobata, Akiyoshi Yamamoto, Suekichi Hangeishi, Mamoru Yashima | 2004-05-04 |