Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9297051 | Case hardening steel, method for producing same, and mechanical structural part using case hardening steel | Yosuke Shindo | 2016-03-29 |
| 9115415 | Case hardened steel and method for producing same | Mutsuhisa Nagahama | 2015-08-25 |