Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319100 | Disk edge polishing machine and disk edge polishing system | Yasuhide Denda, Kiyokazu Gonda, Yoshio Nakamura, Yoshio Otsuka, Toshiaki Seki +2 more | 2001-11-20 |
| 5647789 | Polishing machine and a method of polishing a work | Masanori Furukawa | 1997-07-15 |
| 4918869 | Method for lapping a wafer material and an apparatus therefor | — | 1990-04-24 |