Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405761 | Expandable metal-pipe bonded body and manufacturing method thereof | Takao Shimizu, Kazushige Kito, Shigeyuki Inagaki | 2002-06-18 |
| 6378760 | Method for manufacturing joint of carbon steel pipes suitable for expansion and expanding method | Takao Shimizu, Kazushige Kitou, Shigeyuki Inagaki, Ryuzo Yamada | 2002-04-30 |