Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810243 | Switching valve | Masayuki Nakamura | 2017-11-07 |
| 9719532 | Fluid pressure control device for power shovel | Masanari Kojima, Masayuki Nakamura | 2017-08-01 |
| 9719609 | Change-over valve | — | 2017-08-01 |
| 9702380 | Fluid pressure control device for power shovel | Masanari Kojima, Masayuki Nakamura | 2017-07-11 |