Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9127327 | Environmentally friendly flux for molten steel desulfurization | Akihiro Matsuzawa, Katsuhiro Fuchigami, Kohsuke Kume, Yuji Ogawa | 2015-09-08 |
| 6555063 | Evaluation apparatus for cleanliness of metal and method thereof | Kazushige Umezawa, Tokio Suzuki, Koichi Chiba, Ryuji Uemori, Takehiko Toh +4 more | 2003-04-29 |
| 6432718 | Evaluation apparatus for cleanliness of metal and method thereof | Kazushige Umezawa, Tokio Suzuki, Koichi Chiba, Ryuji Uemori, Takehiko Toh +4 more | 2002-08-13 |
| 5985674 | Evaluation method for cleanliness of metal | Kazushige Umezawa, Tokio Suzuki, Koichi Chiba, Ryuji Uemori, Takehiko Toh +4 more | 1999-11-16 |
| 5534084 | Continuous-cast slab and steel product having dispersed fine particles | Takashi Sawai, Shozo Mizoguchi | 1996-07-09 |
| 4867226 | Method of oscillating continuous casting mold at high frequencies and mold oscillated by such method | Masatsugu Uehara, Haruo Kitamura, Kenzo Sawada, Tetsuo Nakamura, Takashi Ishizawa +5 more | 1989-09-19 |