Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436224 | Method for joining polyolefin pipes and treatment for the joining | Hiroyuki Nishimura, Yuji HIGUCHI, Shinichi Kawasaki, Hirofumi Ueda, Shiro Sakai +1 more | 2002-08-20 |