Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162151 | Tube body that is to be used in high-temperature atmosphere and method for forming metal oxide layer on inner surface of tube body | Motoyuki Matsubara, Kunihide Hashimoto, Hiroshi Yamaguchi | 2021-11-02 |
| 11059134 | Alloy for overlay welding and reaction tube | Motoyuki Matsubara, Kunihide Hashimoto, Hiroshi Yamaguchi | 2021-07-13 |