Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683521 | Method for manufacturing spring having high nitrided properties | Teruyuki Murai | 1997-11-04 |
SM
Sadamu Matsumoto
Overall (1997): #81,097 of 185,788Top 45%
1
Patents 1997