Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10006474 | Flow passage unit and switching valve | Masayuki Oshima | 2018-06-26 |
| 9903484 | Flow passage switching unit | — | 2018-02-27 |
| D725231 | Electromagnetic valve | Yoshitada Doi, Masayuki Oshima | 2015-03-24 |
| D725232 | Electromagnetic valve | Yoshitada Doi, Masayuki Oshima | 2015-03-24 |