Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372312 | Thermal cracking tube with fluid agitating element | Kunihide Hashimoto, Toru Sukawa | 2025-07-29 |
| 11612967 | Alloy for overlay welding and reaction tube | Kunihide Hashimoto, Hiroshi Yamaguchi, Masayuki Tomita | 2023-03-28 |
| 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 | Kunihide Hashimoto, Hiroshi Yamaguchi, Masayuki Tomita | 2021-11-02 |
| 11059134 | Alloy for overlay welding and reaction tube | Kunihide Hashimoto, Hiroshi Yamaguchi, Masayuki Tomita | 2021-07-13 |
| 10982304 | Heat-resistant alloy for hearth metal member | Yohei ENJO, Yuki Hayase | 2021-04-20 |