Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9228742 | Rich-lean combustion burner and combustion apparatus | Takashi Akiyama, Toshio Watanabe, Itsuo Nagai, Yasutaka Kuriyama, Norihide Wada +2 more | 2016-01-05 |
| 9115888 | Rich-lean combustion burner | Norihide Wada, Takashi Akiyama, Itsuo Nagai, Ryosuke Umakoshi | 2015-08-25 |
| 9115889 | Rich-lean combustion burner and combustion apparatus | Keigo Fukunishi, Toshio Watanabe, Takashi Akiyama, Yasutaka Kuriyama, Itsuo Nagai +2 more | 2015-08-25 |
| 9115891 | Rich-lean combustion burner | Takashi Akiyama, Norihide Wada, Yasutaka Kuriyama, Ryosuke Umakoshi, Itsuo Nagai | 2015-08-25 |
| 8418661 | Combustion apparatus | Yoshinori Kanda, Toshio Watanabe, Takashi Akiyama, Takashi Wakatake | 2013-04-16 |