Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325090 | Covered electrode for high-Cr ferritic heat-resistant steels | Hiromi OYAMADA, Yoshimasa MURANISHI, Shigenobu Namba, Takeo Miyamura | 2025-06-10 |
| 8992698 | Welding metal having excellent low-temperature toughness and drop-weight characteristics | Hidenori Nako, Yoshitomi Okazaki, Ken Yamashita, Minoru Otsu | 2015-03-31 |
| 8932415 | Welding metal having excellent low-temperature toughness and drop-weight characteristics | Hidenori Nako, Yoshitomi Okazaki, Ken Yamashita, Minoru Otsu | 2015-01-13 |
| 8574381 | Weld metal and welded structure having weld joints using the same | Hidenori Nako, Yoshitomi Okazaki, Ken Yamashita, Minoru Otsu | 2013-11-05 |