Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391011 | Hydraulic excavator | Ryu NARIKAWA, Kouji Ishikawa, Shiho Izumi | 2022-07-19 |
| 11261578 | Work machine | Toshihiko Ishida, Hidekazu Moriki | 2022-03-01 |
| 11230824 | Work machine | Ryu NARIKAWA, Hidekazu Moriki, Shiho Izumi | 2022-01-25 |