Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698159 | Long-life carburizing bearing steel | Tatsuro Ochi | 1997-12-16 |
| 5690753 | Steel containing super-finely dispersed oxide system inclusions | Hirobumi Maede | 1997-11-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698159 | Long-life carburizing bearing steel | Tatsuro Ochi | 1997-12-16 |
| 5690753 | Steel containing super-finely dispersed oxide system inclusions | Hirobumi Maede | 1997-11-25 |