Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040409 | Cutting machine and thermoelectric power generation method | Takashi Kuroki, Ikuhiro Sumi, Yoshinobu Kuga, Masayuki Fukami, Yoshiki Fujii | 2021-06-22 |
| 11041621 | Auxiliary burner for electric furnace | Sumito OZAWA, Yoshihiro Miwa, Ikuhiro Sumi, Kenichi Tomozawa, Takayuki Ito | 2021-06-22 |
| 10935234 | Auxiliary burner for electric furnace | Yoshihiro Miwa, Sumito OZAWA, Ikuhiro Sumi, Kenichi Tomozawa, Takayuki Ito | 2021-03-02 |