Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199275 | Spool valve | Shinji Narita, Hideki Tanaka | 2021-12-14 |
| 11137001 | Hydraulic drive apparatus | Hideki Tanaka, Hideki Watanabe, Isamu Yoshimura, Tomohide Hattori, Mariko Ogata | 2021-10-05 |