Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325892 | Method for manufacturing a grain-oriented electrical steel sheet | Masanori Takenaka, Takeshi Imamura | 2025-06-10 |
| 11560603 | Grain-oriented electrical steel sheet and method for manufacturing same | Masanori Takenaka, Takeshi Imamura | 2023-01-24 |
| 11459629 | Method of producing grain-oriented electrical steel sheet | Yuiko Ehashi, Masanori Takenaka | 2022-10-04 |
| 11332801 | Method of producing grain-oriented electrical steel sheet | Yuiko Ehashi, Masanori Takenaka, Minoru Takashima, Takeshi Imamura | 2022-05-17 |
| 11198917 | Method for nitriding grain-oriented electrical steel sheet | Hiroshi Matsuda, Hideyuki Takahashi, Hiroi Yamaguchi, Yukihiro Shingaki, Takashi Terashima | 2021-12-14 |
| 11091842 | Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheet | Takumi Umada, Shigehiro Takajo, Takashi Terashima, Minoru Takashima | 2021-08-17 |
| 11066722 | Method of producing grain-oriented electrical steel sheet | Takeshi Imamura, Minoru Takashima, Yuiko Ehashi | 2021-07-20 |
| 10844452 | Grain-oriented electrical steel sheet and method for manufacturing the same | Yukihiro Shingaki, Masanori Takenaka | 2020-11-24 |
| 10428403 | Method for manufacturing grain-oriented electrical steel sheet | Masayasu Ueno | 2019-10-01 |
| 10214793 | Method and device for nitriding grain-oriented electrical steel sheet | Hiroshi Matsuda, Hideyuki Takahashi, Hiroi Yamaguchi, Yukihiro Shingaki, Takashi Terashima | 2019-02-26 |
| 10066286 | Apparatus and method for nitriding grain-oriented electrical steel sheet | Hiroshi Matsuda, Hideyuki Takahashi, Hiroi Yamaguchi, Takashi Terashima, Yuiko Wakisaka | 2018-09-04 |
| 9978489 | Method of producing grain oriented electrical steel sheet | Masanori Takenaka, Takeshi Imamura, Yukihiro Shingaki | 2018-05-22 |
| 9905343 | Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet | Yukihiro Shingaki, Hiroi Yamaguchi, Hiroshi Matsuda, Yuiko Wakisaka | 2018-02-27 |
| 9748028 | Method for producing grain-oriented electrical steel sheet | Yukihiro Shingaki, Takeshi Imamura, Ryuichi Suehiro, Yuiko Wakisaka | 2017-08-29 |
| 9708682 | Production method for grain-oriented electrical steel sheet | Yukihiro Shingaki, Hiroi Yamaguchi, Hiroshi Matsuda, Yuiko Wakisaka | 2017-07-18 |
| 9574249 | Method for manufacturing grain oriented electrical steel sheet | Takeshi Omura | 2017-02-21 |
| 8784995 | Grain oriented electrical steel sheet and method for manufacturing the same | Takeshi Omura, Hirotaka Inoue, Hiroi Yamaguchi, Seiji Okabe | 2014-07-22 |
| 7465361 | Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet | Takashi Terashima, Minoru Takashima | 2008-12-16 |
| 7371291 | Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics | Mitsumasa Kurosawa, Seiji Okabe, Takeshi Imamura | 2008-05-13 |
| RE39482 | Method of making grain-oriented magnetic steel sheet having low iron loss | Mitsumasa Kurosawa, Michiro Komatsubara | 2007-02-06 |
| 7063657 | Method of constructing underground gallery by using pneumatic transfer system and stratum disposal method | Kazuo Okutsu, Hisashi Takamura, Koji Hane, Nobuyuki Matsui, Mitsuaki Furuichi | 2006-06-20 |
| 6942740 | Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics | Mitsumasa Kurosawa, Seiji Okabe, Takeshi Imamura | 2005-09-13 |
| 6811619 | Method of manufacturing grain-oriented electrical steel sheets | Hideo Yamagami, Seiji Okabe, Takeshi Imamura, Minoru Takashima, Mitsumasa Kurosawa | 2004-11-02 |
| 6676771 | Method of manufacturing grain-oriented electrical steel sheet | Minoru Takashima, Tetsuo Toge, Mitsumasa Kurosawa, Michiro Komatsubara | 2004-01-13 |
| 6562473 | Electrical steel sheet suitable for compact iron core and manufacturing method therefor | Seiji Okabe, Takeshi Imamura, Mitsumasa Kurosawa | 2003-05-13 |