Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641473 | Grinding wheel with abrasive segment chips including at least two abrasive segment chips whose circumferential lengths are different from each other | Toshimichi Nakagawa, Kazumasa Yoshida | 2003-11-04 |