Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778051 | Electromagnetic valve | Naoki Masuda | 2004-08-17 |
| 6774753 | Normally closed electromagnetic valve | Naoki Masuda | 2004-08-10 |
| 6755390 | Electromagnetic valve | Naoki Masuda, Kazuhiro Ota, Keiichi Tatsuno | 2004-06-29 |