Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752702 | Valve for abnormal liquid | Ryohei Yamamoto, Naoyuki Yamamoto | 2017-09-05 |
| D790040 | Valve for oil change or the like | Ryohei Yamamoto | 2017-06-20 |
| D783777 | Valve for oil change or the like | Ryohei Yamamoto | 2017-04-11 |
| D783778 | Valve for oil change or the like | Ryohei Yamamoto | 2017-04-11 |
| 9605796 | Posture holding apparatus | Ryouhei Yamamoto, Naoyuki Yamamoto | 2017-03-28 |