Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D811477 | Correction tool | Hayato Horie, Hiroyuki Nagahama | 2018-02-27 |
| D679317 | Roller stamp | Satoru Ono, Shoichi Soma | 2013-04-02 |
| D668713 | Roller stamp | Satoru Ono, Jun Ushijima, Shoichi Soma, Mizuki Hara | 2012-10-09 |