Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023043 | Method of welding in the horizontal position and welding apparatus therefor | Satoru Zenitani, Yoshinori Hiromoto | 2000-02-08 |
| 5932121 | Welding method in the overhead and vertical positions | Satoru Zenitani, Yoshinori Hiromoto, Yasuyuki Kobayashi | 1999-08-03 |