Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9889574 | Sheet groove cutter capable of operation without use of ruler | Yoshiharu Azuma | 2018-02-13 |
| 9481101 | Sheet groove cutter capable of operation without use of ruler | Yoshiharu Azuma | 2016-11-01 |