Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D668713 | Roller stamp | Hideyuki Kitamura, Satoru Ono, Jun Ushijima, Shoichi Soma | 2012-10-09 |
| D611541 | Transparent correction type tape with a security pattern | Yusuke Yonestu | 2010-03-09 |