Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328881 | Evacuating valve | Toyonobu Sakurai | 2008-02-12 |
| 7168676 | Two-port valve for vacuum operation | — | 2007-01-30 |
| 7163025 | Vacuum regulating valve | — | 2007-01-16 |
| 7117886 | Vacuum regulating valve | Kazuo Hiramatsu | 2006-10-10 |
| 7070159 | Vacuum regulating valve | — | 2006-07-04 |
| 7036790 | Vacuum pressure regulating valve | — | 2006-05-02 |
| 7011295 | Vacuum regulating valve | — | 2006-03-14 |
| 6877715 | Vacuum regulating valve | — | 2005-04-12 |
| 6814338 | Two-port vacuum valve capable of adjusting valve-opening | — | 2004-11-09 |
| 6779541 | Fluid pressure regulator | Naoto Inayama | 2004-08-24 |
| 6581635 | Pilot-type two-port vacuum valve | Seiichi Furutate | 2003-06-24 |
| 6494229 | Pilot-type two-port vacuum valve | — | 2002-12-17 |
| 6491059 | Smooth exhaust valve | — | 2002-12-10 |