Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603576 | Method for manufacturing balls for bearing and products thereby | Kiyoshi Hirakawa, Akira Suzuki, Jiami Pu, Minoru Kohari, Eiichi Takahashi +1 more | 1997-02-18 |
KY
Katsunori Yanase
Overall (1997): #121,228 of 185,788Top 70%
1
Patents 1997