Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592154 | Metal-pipe bonded body, pipe expansion method of metal-pipe bonded body, and method for inspecting metal-pipe bonded body | Takao Shimizu, Hirotsugu Horio, Shigeyuki Inagaki, Ryuzo Yamada | 2003-07-15 |
| 6405761 | Expandable metal-pipe bonded body and manufacturing method thereof | Takao Shimizu, Hirotsugu Horio, Shigeyuki Inagaki | 2002-06-18 |