Issued Patents All Time
Showing 1–6 of 6 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, Kazushige Kito, Shigeyuki Inagaki | 2003-07-15 |
| 6378760 | Method for manufacturing joint of carbon steel pipes suitable for expansion and expanding method | Takao Shimizu, Hirotsugu Horio, Kazushige Kitou, Shigeyuki Inagaki | 2002-04-30 |
| 6332361 | Method for evaluating bonding properties of a metallic pipe | Hirotsugu Horio, Takao Shimizu | 2001-12-25 |
| 5934805 | Method and an apparatus for flaw detection | Toshio Endo, Tomikazu Yagi, Nobuo Ishikawa, Taizo Yano | 1999-08-10 |
| 5152605 | Apparatus for making cooled concrete | Masayuki Takeuchi | 1992-10-06 |
| 5147024 | Roller conveyor | — | 1992-09-15 |