Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10103055 | Expansion sheet, expansion sheet manufacturing method, and expansion sheet expanding method | Shinichi Fujisawa | 2018-10-16 |
| 9156096 | Tool cutting apparatus and tool cutting method for workpiece | Masayuki Kawase, Takashi Mori | 2015-10-13 |