Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647317 | Air conditioner management system | Masanori Takagi, Yukio Ito, Makoto Itoh | 2003-11-11 |
| 6643611 | Service system for air conditioner and server system for monitoring center | Makoto Ito, Tomotsune Taira, Masanori Takagi, Yukio Ito | 2003-11-04 |