Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148218 | Method for welding steel pipe in steel pipe structure and joint | Junya Yamada, Kazuhiko Tani, Tatsuya Nariyama, Hisato Yuto | 2021-10-19 |
| 7392598 | Method and device for measuring dimension of constant velocity joint | Takeshi Takagi, Minoru Koyama | 2008-07-01 |