Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806482 | Photovoltaic solid state relay | — | 2004-10-19 |
| 6791123 | ESD protection element | Kazumi Yamaguchi | 2004-09-14 |
| 6735969 | Gas heat pump type air conditioning device, engine-coolant-water heating device, and operating method for gas heat pump type air conditioning device | Tsukasa Kasagi, Hiraku Kunita, Ryuji Morishima | 2004-05-18 |