Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9513030 | Water heater | Tatsuya KARAKI, Norihide Wada, Shuji Kameyama, Keigo Fukunishi | 2016-12-06 |
| 9404670 | Water heater | Sakiko Kimura, Takeshi Oohigashi, Shuji Kameyama | 2016-08-02 |
| 9228742 | Rich-lean combustion burner and combustion apparatus | Takashi Akiyama, Takeshi Wakada, Toshio Watanabe, Itsuo Nagai, Norihide Wada +2 more | 2016-01-05 |