Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859531 | Method for bonding a cubic boron nitride sintered compact | Kazuwo Tsuji, Hitoshi Sumiya, Yoshiaki Kumazawa, Keiichi Satoh | 1989-08-22 |
NU
Nobuo Urakawa
Overall (1989): #72,311 of 140,708Top 55%
1
Patents 1989