Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10234206 | Electric arc furnace | Kota MIZUTANI, Masato Ogawa | 2019-03-19 |
| 10215494 | Method of operating electric arc furnace | Noriyuki Tomita, Yoshikazu Tanaka, Akihiro Nagatani, Masato Ogawa | 2019-02-26 |
| 9903653 | Melting furnace | Kota MIZUTANI, Masato Ogawa | 2018-02-27 |
| 9182173 | Arc furnace | Masato Ogawa, Noriyuki Tomita, Akihiro Nagatani | 2015-11-10 |
| 6132206 | Water cooled finger for pre-heater of furnace top | Tamotsu Nomura, Seiji Nonoyama | 2000-10-17 |
| 5548612 | Furnace cover with a spray cooling system | Tamotsu Nomura | 1996-08-20 |