Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764528 | Process for producing high-nitrogen ultralow-carbon steel | Seiji Nabeshima, Shuji Takeuchi, Hisashi Ogawa, Yasuyuki Masumoto | 2004-07-20 |
| 5429655 | System for removing non-metallic foreign matter in molten metal | Shigeru Ogura, Masayuki Onishi, Hidenari Kitaoka, Mitsuru Sakurai, Toshikazu Sakuraya +6 more | 1995-07-04 |
| 5311924 | Molten metal level control method and device for continuous casting | Kazuya Asano, Takayuki Kaji, Kazuo Arai, Shuji Tanaka, Michio Ibaraki +6 more | 1994-05-17 |