Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855213 | Non-ridging ferritic chromium alloyed steel | Eizo Yoshitake | 2005-02-15 |
| 5868875 | Non-ridging ferritic chromium alloyed steel and method of making | Eizo Yoshitake | 1999-02-09 |