Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D672013 | Open/close valve | Shinji Ikenoya, Naofumi Murata, Hiroyuki Murase, Hideyuki Takeda | 2012-12-04 |
| D672014 | Open/close valve | Shinji Ikenoya, Naofumi Murata, Hiroyuki Murase, Hideyuki Takeda | 2012-12-04 |
| D671621 | Open/close valve | Shinji Ikenoya, Naofumi Murata, Hiroyuki Murase, Hideyuki Takeda | 2012-11-27 |
| D671194 | Open/close valve | Shinji Ikenoya, Naofumi Murata, Hiroyuki Murase, Hideyuki Takeda | 2012-11-20 |
| 8033579 | Fluid device connecting structure | Hideyuki Takeda, Tetsuya Ishihara | 2011-10-11 |
| 5226987 | Radial tire for heavy load vehicles including a rubber reinforcing layer between belt and tread | Yo Matsumoto, Tetsuto Ueno | 1993-07-13 |