Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7166759 | Remediation method of media and iron powder for dehalogenation of hydrogenated hydrocarbons | Hiroki Nakamaru, Haruhiko Miyazawa | 2007-01-23 |
| 6231826 | Process and apparatus for refining silicon | Kazuhiro Hanazawa, Masamichi Abe, Hiroyuki Baba, Naomichi Nakamura, Noriyoshi Yuge +2 more | 2001-05-15 |
| 6090361 | Method for producing silicon for use in solar cells | Hiroyuki Baba, Masamichi Abe, Kazuhiro Hanazawa, Naomichi Nakamura, Noriyoshi Yuge +2 more | 2000-07-18 |
| 5961944 | Process and apparatus for manufacturing polycrystalline silicon, and process for manufacturing silicon wafer for solar cell | Fukuo Aratani, Yasuhiko Sakaguchi, Noriyoshi Yuge, Hiroyuki Baba, Naomichi Nakamura +1 more | 1999-10-05 |
| 5616188 | Method of producing molten aluminum-killed steel for thin steel sheet | Seiji Nabeshima, Yoichi Ito, Kenichi Sorimachi | 1997-04-01 |
| 5609199 | Method of manufacturing steel containing Ca | Seiko Nara, Kenichi Sorimachi | 1997-03-11 |
| 5304231 | Method of refining of high purity steel | Tadasu Kirihara, Seiji Taguchi, Tetsuya Fujii, Shigeru Omiya, Masahito Suito | 1994-04-19 |
| 4592778 | Steelmaking of an extremely low carbon steel in a converter | Tetsuya Fujii, Nobuo Harada, Shuji Takeuchi, Hideo Nakamura, Toshikazu Sakuraya +1 more | 1986-06-03 |
| 4543125 | Process of making steel in converter using a great amount of iron-bearing cold material | Fumio SUDO, Tetsuya Fujii, Sumio Yamada, Kanji Emoto | 1985-09-24 |
| 4409024 | Top-and-bottom blown converter steel making process | Tsutomu Nozaki, Kyoji Nakanishi | 1983-10-11 |
| 4330108 | Method for cooling tuyeres | Kyoji Nakanishi, Kenji Saito, Tsutomu Nozaki, Toshihiko Emi | 1982-05-18 |