Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473698 | Spool valve device and spool valve | Hideki Tanaka, Yukito Imamura, Kenjirou Hara, Masahiro Yamada | 2022-10-18 |
| 9017039 | Hydraulic pump operating device and method for use in hydraulic system | Toshihisa Toyota, Shuhei Ohtsuka, Tomoya Sakuma | 2015-04-28 |