Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8659387 | Operation permission control device and machine having the same mounted thereon | Shigeru Nitta, Hajime Iida, Takeshi Kurokawa, Shinichiro Okubo, Kazuaki OHTSUKI | 2014-02-25 |