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, Katsunori Yanase, Minoru Kohari +1 more | 1997-02-18 |
ET
Eiichi Takahashi
Overall (1997): #155,660 of 185,788Top 85%
1
Patents 1997