Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341403 | Method of constructing information correspondence pipe, constructed structure, and construction member | Fumiaki Tsuchiya, Isaburo Yagi, Masaru Yamakawa, Yasuhiro Ueda, Osamu Ishizuka +3 more | 2008-03-11 |
| 5885674 | Lining material for pipelines and method for manufacturing the same | Hitoshi Saito | 1999-03-23 |