Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404563 | Linear groove formation method and method for producing grain-oriented electrical steel sheet | Yoshihisa ICHIHARA, Takeshi Omura, Hirotaka Inoue | 2025-09-02 |
| 12195816 | Linear groove formation method and linear groove forming apparatus, and method for manufacturing grain-oriented electrical steel sheet | Takeshi Omura, Yoshihisa ICHIHARA, Hirotaka Inoue | 2025-01-14 |
| 11781196 | Grain-oriented electromagnetic steel sheet and method of producing grain-oriented electromagnetic steel sheet | Takumi Umada, Takashi Terashima | 2023-10-10 |
| 11767571 | Method of producing grain-oriented electrical steel sheet and production line therefor | Takeshi Omura, Hirotaka Inoue, Seiji Okabe | 2023-09-26 |
| 11387025 | Grain-oriented electrical steel sheet and production method therefor | Takeshi Omura, Hirotaka Inoue | 2022-07-12 |
| 11377706 | Device to improve iron loss properties of grain-oriented electrical steel sheet | Seiji Okabe, Yasushi Kitani | 2022-07-05 |
| 11326219 | Grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet | Takumi Umada, Takashi Terashima | 2022-05-10 |
| 11225698 | Grain-oriented electrical steel sheet and process for producing same | Hiroaki Toda | 2022-01-18 |
| 11180834 | Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheet | Takumi Umada, Takashi Terashima | 2021-11-23 |
| 11091842 | Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheet | Takumi Umada, Takashi Terashima, Minoru Takashima, Yasuyuki Hayakawa | 2021-08-17 |
| 11045902 | Linear groove formation method and linear groove formation device | Masanori Uesaka | 2021-06-29 |
| 11031163 | Grain-oriented electrical steel sheet and method for manufacturing the same | Takeshi Omura, Hirotaka Inoue | 2021-06-08 |
| 10988822 | Grain-oriented electrical steel sheet and method for manufacturing same | Masanori Uesaka, Makoto Watanabe | 2021-04-27 |
| 10968521 | Grain-oriented electrical steel sheet and production method for grain-oriented electrical steel sheet | Takumi Umada, Takashi Terashima | 2021-04-06 |
| 10889875 | Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core | Masayasu Nagoshi, Tomohiro Matsushima, Makoto Watanabe, Toshito Takamiya, Masanori Uesaka +1 more | 2021-01-12 |
| 10889871 | Method of manufacturing grain-oriented electrical steel sheet exhibiting low iron loss | Masanori Uesaka, Kazuhiro Hanazawa | 2021-01-12 |
| 10745773 | Device to improve iron loss properties of grain-oriented electrical steel sheet | Seiji Okabe, Yasushi Kitani | 2020-08-18 |
| 10730102 | Apparatus for manufacturing metal thin strip | Seiji Okabe, Takeshi Imamura | 2020-08-04 |
| 10704113 | Grain oriented electrical steel sheet and production method therefor | Hirotaka Inoue, Seiji Okabe | 2020-07-07 |
| 10697038 | Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core | Masayasu Nagoshi, Tomohiro Matsushima, Makoto Watanabe, Toshito Takamiya, Masanori Uesaka +1 more | 2020-06-30 |
| 10559410 | Grain-oriented electrical steel sheet and transformer iron core using same | Seiji Okabe, Hirotaka Inoue | 2020-02-11 |
| 10535453 | Grain-oriented electrical steel sheet and method for manufacturing the same | Hirotaka Inoue, Seiji Okabe, Kazuhiro Hanazawa | 2020-01-14 |
| 10465259 | Grain-oriented electrical steel sheet and production method therefor | Takeshi Omura, Seiji Okabe | 2019-11-05 |
| 10395806 | Grain-oriented electrical steel sheet and method of manufacturing the same | Hirotaka Inoue, Hiroi Yamaguchi, Seiji Okabe, Kazuhiro Hanazawa | 2019-08-27 |
| 10147527 | Grain-oriented electrical steel sheet and method for manufacturing same | Seiji Okabe, Hirotaka Inoue, Michiro Komatsubara | 2018-12-04 |