Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810117 | Muffler cutter | Akinao Hiraoka, Yoshifumi Fujita | 2017-11-07 |
| 9593798 | Pipe cover, pipe structure and vehicle | Takahiro Niwa, Akinao Hiraoka, Yoshifumi Fujita, Keiji Tsukahara, Masatake Onodera +1 more | 2017-03-14 |