Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603065 | Decorative part | Takaaki Mori, Toshiyasu Ito | 1986-07-29 |
| 4596600 | Steel-making process in converter | Toshikazu Sakuraya, Hideo Nakamura, Yasuhiro Habu, Takuo Imai | 1986-06-24 |
| 4592778 | Steelmaking of an extremely low carbon steel in a converter | Nobuo Harada, Shuji Takeuchi, Yoshiei Kato, 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, Yoshiei Kato, Sumio Yamada, Kanji Emoto | 1985-09-24 |
| 4539020 | Methods for obtaining high-purity carbon monoxide | Toshikazu Sakuraya, Shigeo Matsui, Shigeki Hayashi | 1985-09-03 |
| 4452634 | Method of stirring molten metal and refractory cylinder for the purpose | Yukio Oguchi, Norio Sumida, Toshihiko Emi, Toshio Fujimura, Arata Ueda | 1984-06-05 |
| 4436287 | Method for protecting tuyeres for refining a molten iron | Toshikazu Sakuraya, Hideo Nakamura, Nobuo Harada, Toshihiko Emi | 1984-03-13 |
| 4427444 | Method of refining molten metal with stirring by repeated operation of suction and discharge | Norio Sumida, Yukio Oguchi, Toshihiko Emi, Toshio Fujimura, Arata Ueda +1 more | 1984-01-24 |
| 4405295 | Method of manufacturing complex metallic plate | Yukio Oguchi, Norio Sumita, Isamu Goto | 1983-09-20 |