Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9915325 | Chain transmission device | Takahiro Yamashita, Hisataka Hasegawa | 2018-03-13 |
| 9909652 | Chain transmission device for driving camshafts | Takahiro Yamashita, Hisataka Hasegawa | 2018-03-06 |
| 9885401 | Chain guide and chain transmission device | Takahiro Yamashita, Hisataka Hasegawa | 2018-02-06 |
| 9879763 | Chain guide and chain transmission device | Takahiro Yamashita, Hisataka Hasegawa, Shinji Tsuruta, Hiroyuki Fukuyama, Nobuhiro Mizuno | 2018-01-30 |