Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604813 | Apparatus for dimensional inspection of a pipe spool, or for making or cutting and finishing at its both ends | Hiroshi Nakama | 1986-08-12 |
| 4412442 | Method for bending a metal pipe | Yasuo Watanabe, Susumu Hanyo | 1983-11-01 |