Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238659 | Preventing magnetization of pipe blank in GMA welding | Jinkichi Tanaka, Itaru Watanabe, Motoaki Suzuki, Toshifumi Kojima, Hiroyoshi Matsubara +4 more | 1980-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238659 | Preventing magnetization of pipe blank in GMA welding | Jinkichi Tanaka, Itaru Watanabe, Motoaki Suzuki, Toshifumi Kojima, Hiroyoshi Matsubara +4 more | 1980-12-09 |