Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11278998 | Double disc surface grinding machine and grinding method | Masao Annen, Tsuyoshi Sano | 2022-03-22 |
| 9889532 | Double disc surface grinding machine and grinding method | Katsuyuki Kyokumoto, Minoru Takami | 2018-02-13 |