Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10130978 | Cleaning method of oil tank and cleaning device of same | Katsuhiko Kawakami, Guiqing Xu, Masayuki Kidokoro, Yasuo Uchida, Masanao Mitsuhata +3 more | 2018-11-20 |
| 10035228 | Working machine | — | 2018-07-31 |