Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6571575 | Air conditioner using inflammable refrigerant | Yoshinori Kobayashi, Riko Tachigori | 2003-06-03 |
| 6550273 | Air conditioner using flammable refrigerant | Yoshinori Kobayashi, Riko Tachigori | 2003-04-22 |