Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293694 | Auxiliary burner for electric furnace | Yoshihiro Miwa, Koichi Tsutsumi, Sumito OZAWA | 2022-04-05 |
| 11083990 | Gas separation and recovery method and facility | Nobuyuki Shigaki, Yasuhiro Mogi, Takashi Haraoka | 2021-08-10 |
| 11040409 | Cutting machine and thermoelectric power generation method | Takashi Kuroki, Koichi Tsutsumi, Yoshinobu Kuga, Masayuki Fukami, Yoshiki Fujii | 2021-06-22 |
| 11041621 | Auxiliary burner for electric furnace | Sumito OZAWA, Koichi Tsutsumi, Yoshihiro Miwa, Kenichi Tomozawa, Takayuki Ito | 2021-06-22 |
| 10935234 | Auxiliary burner for electric furnace | Koichi Tsutsumi, Yoshihiro Miwa, Sumito OZAWA, Kenichi Tomozawa, Takayuki Ito | 2021-03-02 |
| 6793710 | Method for blowing oxygen in converter and top-blown lance for blowing oxygen | Yoshiteru Kikuchi, Ryo Kawabata, Atsushi Watanabe, Shinichi Akai, Satoshi Kohira | 2004-09-21 |