Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828856 | Conveyance machine and management system | Yuichi Kodama, Kazunari Kawai, Shinichi Terada, Rui Fukui | 2017-11-28 |
| 9617853 | Auxiliary tunneling apparatus | Kazunari Kawai, Shinichi Terada, Yuuichi Kodama, Hiroshi Asano, Takashi Minami +1 more | 2017-04-11 |