Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425528 | Expansion valve | Hisatoshi Hirota, Takashi Kobayashi | 2002-07-30 |
| 6390441 | Solenoid operated pilot valve | Katsumi Koyama, Tokumi Tsugawa | 2002-05-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425528 | Expansion valve | Hisatoshi Hirota, Takashi Kobayashi | 2002-07-30 |
| 6390441 | Solenoid operated pilot valve | Katsumi Koyama, Tokumi Tsugawa | 2002-05-21 |