Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8695388 | Mechanical key | Katsushi Miwa, Toshiharu Katagiri | 2014-04-15 |
| 8528374 | Portable device including mechanical key | Toshiharu Katagiri, Jun Yamaguchi, Takumi Tamezane | 2013-09-10 |
| 7690233 | Portable device and mechanical key | Toshiharu Katagiri, Takumi Tamezane, Katsushi Miwa, Jun Yamaguchi, Hironori MIZUNO +1 more | 2010-04-06 |