Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442837 | Method of manufacturing a valve element | Satoru Haga | 2002-09-03 |
| 6290205 | Valve element and method of manufacturing the same | Satoru Haga | 2001-09-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442837 | Method of manufacturing a valve element | Satoru Haga | 2002-09-03 |
| 6290205 | Valve element and method of manufacturing the same | Satoru Haga | 2001-09-18 |