Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D687515 | Open/close valve | Hiroki Iwata, Hiroyuki Murase, Hideyuki Takeda, Shinji Ikenoya | 2013-08-06 |
| D686697 | Open/close valve | Hiroyuki Murase, Hideyuki Takeda, Shinji Ikenoya | 2013-07-23 |
| D686698 | Open/close valve | Hiroki Iwata, Hiroyuki Murase, Hideyuki Takeda, Shinji Ikenoya | 2013-07-23 |