Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840752 | Low thermal expansion alloy having excellent low temperature stability and method for producing same | Shimin Ryu, Nobuyuki Oyama, Masaru Washio | 2023-12-12 |
| 5783143 | Alloy steel resistant to molten zinc | Tomohiko Nakajima, Kazuyoshi Arikata | 1998-07-21 |
| 4904447 | Low thermal expansion casting alloy having excellent machinability | — | 1990-02-27 |