Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824068 | Expansion valve | Masakatsu Minowa, Kazuhiko Watanabe | 2004-11-30 |
| 6776351 | Expansion valve | Kazuto Kobayashi, Kazuhiko Watanabe | 2004-08-17 |
| 6702188 | Expansion valve | Daisuke Watari | 2004-03-09 |