Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7490658 | Internally grooved heat transfer tube for high-pressure refrigerant | Naoe Sasaki, Takashi Kondo | 2009-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7490658 | Internally grooved heat transfer tube for high-pressure refrigerant | Naoe Sasaki, Takashi Kondo | 2009-02-17 |