Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6261639 | Process for hot-rolling stainless steel | Hiromitsu Shibata, Seiji Itoyama | 2001-07-17 |
| 6120578 | Method of producing cluster-free Al-killed steel | Hakaru Nakato, Seiji Nabeshima | 2000-09-19 |
| 6117389 | Titanium killed steel sheet and method | Seiji Nabeshima, Hirokazu Tozawa | 2000-09-12 |
| 5879479 | Method of making ultra low-carbon steel | Seiji Nabeshima, Hakaru Nakato | 1999-03-09 |
| 5616188 | Method of producing molten aluminum-killed steel for thin steel sheet | Yoshiei Kato, Seiji Nabeshima, Yoichi Ito | 1997-04-01 |
| 5609199 | Method of manufacturing steel containing Ca | Yoshiei Kato, Seiko Nara | 1997-03-11 |
| 5609458 | Method of charging coal into chamber furnace-type coke oven and apparatus therefor | Kouji Hanaoka, Katsutoshi Igawa, Seiji Taguchi, Takashi Matsui | 1997-03-11 |
| 5579824 | Continuous casting process with vertical mold oscillation | Seiji Itoyama, Hirokazu Tozawa, Shuji Takeuchi | 1996-12-03 |
| 5381857 | Apparatus and method for continuous casting | Hirokazu Tozawa, Shuji Takeuchi, Tetsuya Fujii, Noboru Yasukawa, Saburo Moriwaki +4 more | 1995-01-17 |
| 5375648 | Apparatus and method for continuous casting of steel | Akira Idogawa, Nagayasu Bessho, Tetsuya Fujii, Toshikazu Sakuraya | 1994-12-27 |
| 5356454 | Mold powder for continuous casting | Seiji Itoyama, Hidenari Kitaoka, Toshikazu Sakuraya, Saburo Moriwaki, Sumio Yamada +4 more | 1994-10-18 |
| 5350005 | Control device for controlling mold oscillation in a continuous casting machine | Hirokazu Tozawa, Toshiaki Ochi, Yasuhito Itoh | 1994-09-27 |
| 5299627 | Continuous casting method | Hirokazu Tozawa, Seiji Itoyama, Shuji Takeuchi, Akira Yamauchi | 1994-04-05 |
| 5106411 | Method of and apparatus for removing non-metallic inclusions in molten metal | Yuji Miki, Hidenari Kitaoka, Tetsuya Fujii, Shuji Takeuchi, Toshikazu Sakuraya +1 more | 1992-04-21 |
| 5083687 | Nozzle for continuous casting and method of producing | Mitsuo Saito, Toshikazu Sakuraya | 1992-01-28 |
| 5071471 | Method of and apparatus for removing non-metallic inclusions from molten metal | Yuji Miki, Hidenari Kitaoka, Shuji Takeuchi, Toshikazu Sakuraya | 1991-12-10 |
| 4949778 | Immersion nozzle for continuous casting | Kenji Saito, Tsutomu Nozaki, Yukio Oguchi, Hakaru Nakato, Haruji Okuda +3 more | 1990-08-21 |
| 4945975 | Method of oscillation of mold of vertical continuous caster | Hirokazu Tozawa, Tetsuya Fujii, Seiji Itoyama, Yuji Miki | 1990-08-07 |