Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729938 | Centerless grinding machine | — | 2004-05-04 |
| 5989108 | Double side grinding apparatus for flat disklike work | Toshio Ishii, Shizuki Sasakura, Yasuo Yoshimura, Koichi Ueda | 1999-11-23 |