Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404563 | Linear groove formation method and method for producing grain-oriented electrical steel sheet | Yoshihisa ICHIHARA, Hirotaka Inoue, Shigehiro Takajo | 2025-09-02 |
| 12195816 | Linear groove formation method and linear groove forming apparatus, and method for manufacturing grain-oriented electrical steel sheet | Yoshihisa ICHIHARA, Shigehiro Takajo, Hirotaka Inoue | 2025-01-14 |
| 11990261 | Grain-oriented electrical steel sheet | Yoshihisa ICHIHARA, Hirotaka Inoue, Kunihiro Senda | 2024-05-21 |
| 11984249 | Grain-oriented electrical steel sheet, wound transformer core using the same, and method for producing wound core | Hirotaka Inoue, Seiji Okabe | 2024-05-14 |
| 11961647 | Iron core for transformer | Hirotaka Inoue, Seiji Okabe | 2024-04-16 |
| 11961659 | Iron core for transformer | Hirotaka Inoue, Seiji Okabe | 2024-04-16 |
| 11923116 | Grain-oriented electrical steel sheet and method of producing same | Yoshihisa ICHIHARA, Kunihiro Senda, Takahiro Koshihara | 2024-03-05 |
| 11866796 | Grain-oriented electrical steel sheet and production method therefor | Yoshihisa ICHIHARA, Kunihiro Senda | 2024-01-09 |
| 11767571 | Method of producing grain-oriented electrical steel sheet and production line therefor | Hirotaka Inoue, Shigehiro Takajo, Seiji Okabe | 2023-09-26 |
| 11572602 | Method for manufacturing a grain-oriented electrical steel sheet | Hirotaka Inoue, Seiji Okabe | 2023-02-07 |
| 11566302 | Grain-oriented electrical steel sheet and method for manufacturing same | Hirotaka Inoue, Kunihiro Senda, Seiji Okabe | 2023-01-31 |
| 11495378 | Grain-oriented electrical steel sheet, stacked transformer core using the same, and method for producing stacked core | Hirotaka Inoue, Seiji Okabe | 2022-11-08 |
| 11430599 | Transformer iron core | Seiji Okabe, Hirotaka Inoue | 2022-08-30 |
| 11387025 | Grain-oriented electrical steel sheet and production method therefor | Hirotaka Inoue, Shigehiro Takajo | 2022-07-12 |
| 11114227 | Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet | Masanori Uesaka, Kunihiro Senda | 2021-09-07 |
| 11031163 | Grain-oriented electrical steel sheet and method for manufacturing the same | Shigehiro Takajo, Hirotaka Inoue | 2021-06-08 |
| 10533969 | Method for predicting iron loss of non-oriented electrical steel sheet after shearing | Yoshiaki Zaizen, Kunihiro Senda | 2020-01-14 |
| 10465259 | Grain-oriented electrical steel sheet and production method therefor | Shigehiro Takajo, Seiji Okabe | 2019-11-05 |
| 10011886 | Grain-oriented electrical steel sheet and manufacturing method thereof | Shigehiro Takajo, Hiroi Yamaguchi, Hirotaka Inoue, Seiji Okabe | 2018-07-03 |
| 9799432 | Grain oriented electrical steel sheet | Hiroi Yamaguchi, Seiji Okabe, Tadashi Nakanishi | 2017-10-24 |
| 9574249 | Method for manufacturing grain oriented electrical steel sheet | Yasuyuki Hayakawa | 2017-02-21 |
| 9536657 | Grain oriented electrical steel sheet and method for manufacturing the same | Hiroaki Toda, Hiroi Yamaguchi, Seiji Okabe | 2017-01-03 |
| 9536658 | Grain oriented electrical steel sheet and method for manufacturing the same | Hiroi Yamaguchi, Seiji Okabe | 2017-01-03 |
| 9514868 | Grain oriented electrical steel sheet and method for manufacturing the same | Hiroi Yamaguchi, Seiji Okabe | 2016-12-06 |
| 9406437 | Grain oriented electrical steel sheet and method for manufacturing the same | Hirotaka Inoue, Hiroi Yamaguchi, Seiji Okabe | 2016-08-02 |