Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8485452 | Guard rail apparatus for guiding derailed wheels | Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi | 2013-07-16 |
| 8418932 | Wheel guard apparatus | Masaki Seki, Kazuhiro Miwa, Tomomi Funada, Hironari Muramatsu, Takaaki Irie +2 more | 2013-04-16 |
| 8302877 | Wheel guard device | Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi | 2012-11-06 |
| 7891577 | Safety device for a train | Masaki Seki, Takashi Kachi, Tomomi Funada, Takaaki Irie, Katsunari Konishi | 2011-02-22 |