Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11577291 | Hot-rolled steel sheet for electrical steel sheet production and method of producing same | Yuiko Ehashi, Masanori Takenaka, Takeshi Imamura | 2023-02-14 |
| 11332801 | Method of producing grain-oriented electrical steel sheet | Yuiko Ehashi, Masanori Takenaka, Yasuyuki Hayakawa, Takeshi Imamura | 2022-05-17 |
| 11091842 | Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheet | Takumi Umada, Shigehiro Takajo, Takashi Terashima, Yasuyuki Hayakawa | 2021-08-17 |
| 11066722 | Method of producing grain-oriented electrical steel sheet | Takeshi Imamura, Yuiko Ehashi, Yasuyuki Hayakawa | 2021-07-20 |
| 10584406 | Electrical steel sheet | Takeshi Imamura, Tatsuhiko Hiratani | 2020-03-10 |
| 10431359 | Method for producing grain-oriented electrical steel sheet | Masanori Uesaka, Takeshi Imamura | 2019-10-01 |
| 9666350 | Ultrathin electromagnetic steel sheet | Takeshi Imamura, Tatsuhiko Hiratani | 2017-05-30 |
| 9240266 | Grain oriented electrical steel sheet | Masanori Takenaka, Hiroi Yamaguchi, Takeshi Omura | 2016-01-19 |
| 9187798 | Method for manufacturing grain oriented electrical steel sheet | Masanori Takenaka, Toshito Takamiya | 2015-11-17 |
| 9022097 | Method and installation for manufacturing thin metal strip | Seiji Okabe, Nobuo Shiga | 2015-05-05 |
| 9011585 | Treatment solution for insulation coating for grain-oriented electrical steel sheets | Mineo Muraki, Tomofumi Shigekuni | 2015-04-21 |
| 8771795 | Treatment solution for insulation coating for grain-oriented electrical steel sheets and method for producing grain-oriented electrical steel sheet having insulation coating | Mineo Muraki, Tomofumi Shigekuni | 2014-07-08 |
| 8568857 | Grain oriented electrical steel sheet | Hirotaka Inoue, Seiji Okabe | 2013-10-29 |
| 8535455 | Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating | Mineo Muraki, Makoto Watanabe, Tomofumi Shigekuni | 2013-09-17 |
| 8409370 | Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating | Mineo Muraki, Makoto Watanabe, Tomofumi Shigekuni | 2013-04-02 |
| 8177920 | Grain-oriented electrical steel sheet and process for producing the same | Yukihiro Shingaki, Tadashi Nakanishi, Takeshi Murai | 2012-05-15 |
| 7513959 | Non-oriented electrical steel sheet and method for manufacturing the same | Masaaki Kohno, Katsumi Yamada, Masaki Kawano, Kaoru Sato | 2009-04-07 |
| 7465361 | Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet | Takashi Terashima, Yasuyuki Hayakawa | 2008-12-16 |
| 6811619 | Method of manufacturing grain-oriented electrical steel sheets | Yasuyuki Hayakawa, Hideo Yamagami, Seiji Okabe, Takeshi Imamura, Mitsumasa Kurosawa | 2004-11-02 |
| 6758915 | Grain oriented electromagnetic steel sheet exhibiting extremely small watt loss and method for producing the same | Mineo Muraki, Hiroi Yamaguchi, Mitsumasa Kurosawa, Michiro Komatsubara | 2004-07-06 |
| 6676771 | Method of manufacturing grain-oriented electrical steel sheet | Tetsuo Toge, Yasuyuki Hayakawa, Mitsumasa Kurosawa, Michiro Komatsubara | 2004-01-13 |
| 6136456 | Grain oriented electrical steel sheet and method | Michiro Komatsubara, Hiroi Yamaguchi, Mineo Muraki | 2000-10-24 |
| 5942051 | Non-oriented electromagnetic steel sheet with low iron loss after stress relief annealing, and core of motor or transformer | Keiji Sato, Takashi Obara | 1999-08-24 |
| 5876520 | Semiprocessed nonoriented magnetic steel sheet having excellent magnetic characteristics and method for making the same | Akio Fujita, Keiji Sato, Masaki Kawano | 1999-03-02 |
| 5855694 | Method for producing grain-oriented silicon steel sheet | Tetsuo Toge, Atsuhito Honda, Mineo Muraki, Kenichi Sadahiro | 1999-01-05 |