Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9385532 | Energy management system | Nanae Kinugasa, Tomoyoshi ASHIKAGA, Naotake Shimozu, Koji Mishima | 2016-07-05 |
| 8001230 | Group management apparatus and group management system | Yoshihiko Murakami, Naotake Shimozu | 2011-08-16 |