Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10427245 | Production method for welded structure | Yujiro TATSUMI, Masanori Yasuyama | 2019-10-01 |
| 10406627 | Resistance spot welding method | Hatsuhiko Oikawa, Shintaro Yamanaka, Takashi Imamura | 2019-09-10 |
| 10265797 | Resistance spot welding method | Hatsuhiko Oikawa, Shintaro Yamanaka | 2019-04-23 |