Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471565 | Polishing apparatus for a work with mechanical polishing function and chemical polishing function | Yoshio Nakamura | 2019-11-12 |
| 10464186 | Method of polishing work and method of dressing polishing pad | Jun Yanagisawa, Yoshio Nakamura, Michio Uneda, Kenichi Ishikawa | 2019-11-05 |
| 10449655 | Work polishing method and work polishing apparatus | Yoshio Nakamura, Michio Uneda, Kenichi Ishikawa | 2019-10-22 |