Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10464186 | Method of polishing work and method of dressing polishing pad | Kazutaka Shibuya, Jun Yanagisawa, Yoshio Nakamura, Kenichi Ishikawa | 2019-11-05 |
| 10449655 | Work polishing method and work polishing apparatus | Kazutaka Shibuya, Yoshio Nakamura, Kenichi Ishikawa | 2019-10-22 |