Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844449 | Rapid-cooling quenching apparatus and rapid-cooling quenching method | Hirokazu Sugihara, Fujio Tanaka, Tomohiro Hashimukai | 2020-11-24 |
| 10760144 | Method for manufacturing metal sheet and rapid quenching unit | Masaru Miyake, Gentaro Takeda | 2020-09-01 |