Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668069 | Cutting tool composed of silicon nitride | Masahiro Sato, Yukiyasu Aoyama, Shoji Kohsaka | 1997-09-16 |
NT
Nobuoki Takagi
Overall (1997): #97,613 of 185,788Top 55%
1
Patents 1997