Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987698 | Gas leak detection apparatus and method | Kenji Nakano, Yoshito Sameda, Yukio Takanohashi, Hiroto Uyama | 2011-08-02 |
| 7970557 | Gas appliance judgment apparatus and method | Yoshito Sameda, Kenji Nakano, Yukio Takanohashi, Hiroto Uyama | 2011-06-28 |