Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9744788 | Stamp-face platemaking device, medium holder, and medium holder manufacturing method | Tadashi Arii | 2017-08-29 |
| 9610665 | Stamping-face plate holder | Takayuki Hirotani, Yasushi Murai, Shigeru Futawatari, Takanori Suzuki, Yoshimasa Yokoyama | 2017-04-04 |