Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8600557 | Equipment item management system, control method thereof, and equipment item management apparatus | Hirotaka Masui | 2013-12-03 |
| 8280555 | Air conditioning system | Hirotaka Masui | 2012-10-02 |
| 6917859 | Facility management system and facility management method | Hirotaka Masui, Takashi Ikeda, Masafumi Ando, Shinji Hattori, Shigeo Takata | 2005-07-12 |