Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10350676 | Spring steel with excellent fatigue resistance and method of manufacturing the same | Masafumi Miyazaki, Masayuki Hashimura, Takashi Fujita | 2019-07-16 |
| 9896749 | Steel for induction hardening with excellent fatigue properties | Masayuki Hashimura, Masafumi Miyazaki, Takashi Fujita | 2018-02-20 |
| 9809875 | Case hardening steel with excellent fatigue properties | Masayuki Hashimura, Masafumi Miyazaki, Takashi Fujita | 2017-11-07 |
| 9732407 | Bearing steel and method for producing same | Masayuki Hashimura, Masafumi Miyazaki, Takahisa Suzuki, Takashi Fujita | 2017-08-15 |
| 9650690 | High-strength steel sheet and method of producing molten steel for high-strength steel sheet | Kenichi Yamamoto, Katsuhiro Sasai, Hiroshi Harada, Kaoru Kawasaki | 2017-05-16 |
| 9617626 | High-strength steel sheet exhibiting excellent stretch-flange formability and bending workability, and method of producing molten steel for the high-strength steel sheet | Kenichi Yamamoto, Yuzo Takahashi, Osamu Kawano, Kohsuke Kume, Junji Haji +2 more | 2017-04-11 |
| 9595376 | Non-oriented electrical steel sheet and manufacturing method thereof | Masafumi Miyazaki, Takeshi Kubota, Yousuke Kurosaki, Kazuto Kawakami, Kazumi Mizukami +1 more | 2017-03-14 |
| 9149867 | Low-carbon steel slab producing method | Masafumi Miyazaki, Satoru Mineta | 2015-10-06 |
| 9085817 | Non-oriented electrical steel sheet and manufacturing method thereof | Masafumi Miyazaki, Takeshi Kubota, Yousuke Kurosaki, Kazuto Kawakami, Kazumi Mizukami +1 more | 2015-07-21 |
| 8840734 | Non-oriented electrical steel sheet | Masafumi Miyazaki, Kazuto Kawakami | 2014-09-23 |
| 8418749 | Continuous casting apparatus for steel | Takehiko Toh, Kenji Umetsu | 2013-04-16 |
| 8302667 | Cast iron semi-finished product excellent in workability and method of production of the same | Wataru Ohashi | 2012-11-06 |
| 8142574 | Steel product for welding | Akihito Kiyose, Tooru Matsumiya | 2012-03-27 |
| 7214277 | Method for manufacturing non-oriented electrical steel sheet having high magnetic flux density | Yousuke Kurosaki, Takeshi Kubota, Takashi Arai, Eiichiro Ishimaru, Yoshihiro Arita +2 more | 2007-05-08 |
| 7159641 | Cooling drum for thin slab continuous casting, processing method and apparatus thereof, and thin slab and continuous casting method thereof | Naoya Hamada, Tadahiro Izu, Yasushi Kurisu, Isao Suichi, Masafumi Miyazaki +7 more | 2007-01-09 |
| 6896033 | Cooling drum for continuously casting thin cast piece and fabricating method and device therefor and thin cast piece and continuous casting method therefor | Naoya Hamada, Tadahiro Izu, Yasushi Kurisu, Isao Suichi, Masafumi Miyazaki +7 more | 2005-05-24 |