Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10422437 | Spool valve, operation device, and work vehicle | Satoshi Ishikawa, Shinobu Nagura, Tomonobu Shioyasu, Masayuki Tajima, Masayuki Hosaka | 2019-09-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10422437 | Spool valve, operation device, and work vehicle | Satoshi Ishikawa, Shinobu Nagura, Tomonobu Shioyasu, Masayuki Tajima, Masayuki Hosaka | 2019-09-24 |