Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581176 | Construction machine having revolving structure | Shiho Izumi, Kouichi Shibata, Manabu Sugiura, Takatoshi Ooki | 2017-02-28 |
| 9574324 | Work machine | Hidetoshi Satake, Takatoshi Ooki, Shinji Nishikawa, Kouichi Shibata | 2017-02-21 |