Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634567 | Expansion valve unit having pressure detecting function | Shigeki Ito, Yasushi Yamanaka, Ryo Matsuda, Kazuhiko Watanabe, Keiji Sasaki | 2003-10-21 |
| 6533245 | Valve device | Masao Takemoto, Masakazu Hirano, Kazuhiko Watanabe, Shigeji Ohishi | 2003-03-18 |