Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7798467 | High vacuum valve | — | 2010-09-21 |
| 7527238 | Protection structure for rod seal member of two-port valve | Ikuo Kanzaka | 2009-05-05 |
| 7401760 | Vacuum regulating valve | Ikuo Kanzaka | 2008-07-22 |
| 7328881 | Evacuating valve | Masao Kajitani | 2008-02-12 |
| 6796545 | Poppet valve seal mechanism | Akira Enzaki, Mamoru Fukuda | 2004-09-28 |
| 6772989 | Maintenance-easy two-port valve | Akira Enzaki | 2004-08-10 |
| 6748969 | Poppet valve with heater | Ikuo Kanzaka | 2004-06-15 |
| 6708721 | Vacuum valve with heater | Mamoru Fukuda | 2004-03-23 |
| 6390442 | Two-port valve | Tetsuro Tokuda, Hiroaki Suzuki | 2002-05-21 |
| 6345803 | Piezoelectric fluid control valve | — | 2002-02-12 |