Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404563 | Linear groove formation method and method for producing grain-oriented electrical steel sheet | Yoshihisa ICHIHARA, Takeshi Omura, Shigehiro Takajo | 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, Shigehiro Takajo | 2025-01-14 |
| 11990261 | Grain-oriented electrical steel sheet | Yoshihisa ICHIHARA, Takeshi Omura, Kunihiro Senda | 2024-05-21 |
| 11984249 | Grain-oriented electrical steel sheet, wound transformer core using the same, and method for producing wound core | Seiji Okabe, Takeshi Omura | 2024-05-14 |
| 11961659 | Iron core for transformer | Takeshi Omura, Seiji Okabe | 2024-04-16 |
| 11961647 | Iron core for transformer | Takeshi Omura, Seiji Okabe | 2024-04-16 |
| 11786969 | Sliding member and method for producing same | Ayako Yamamoto, Yoshifumi Ito, Norihito Watanabe, Akihiro Matsuoka | 2023-10-17 |
| 11767571 | Method of producing grain-oriented electrical steel sheet and production line therefor | Takeshi Omura, Shigehiro Takajo, Seiji Okabe | 2023-09-26 |
| 11761074 | Nitriding apparatus for manufacturing a grain-oriented electrical steel sheet | Yukihiro Shingaki | 2023-09-19 |
| 11572602 | Method for manufacturing a grain-oriented electrical steel sheet | Takeshi Omura, Seiji Okabe | 2023-02-07 |
| 11566302 | Grain-oriented electrical steel sheet and method for manufacturing same | Takeshi Omura, 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 | Seiji Okabe, Takeshi Omura | 2022-11-08 |
| 11430599 | Transformer iron core | Seiji Okabe, Takeshi Omura | 2022-08-30 |
| 11387025 | Grain-oriented electrical steel sheet and production method therefor | Takeshi Omura, Shigehiro Takajo | 2022-07-12 |
| 11174526 | Grain-oriented electrical steel sheet and method of manufacturing same | Yukihiro Shingaki, Tomoyuki Okubo | 2021-11-16 |
| 11031163 | Grain-oriented electrical steel sheet and method for manufacturing the same | Takeshi Omura, Shigehiro Takajo | 2021-06-08 |
| 10900113 | Method for manufacturing grain-oriented electrical steel sheet, and nitriding apparatus | Yukihiro Shingaki | 2021-01-26 |
| 10704113 | Grain oriented electrical steel sheet and production method therefor | Shigehiro Takajo, Seiji Okabe | 2020-07-07 |
| 10626474 | Grain-oriented electrical steel sheet and method of manufacturing same | Yukihiro Shingaki, Tomoyuki Okubo | 2020-04-21 |
| 10629346 | Method of manufacturing grain-oriented electrical steel sheet | Kunihiro Senda, Seiji Okabe | 2020-04-21 |
| 10559410 | Grain-oriented electrical steel sheet and transformer iron core using same | Seiji Okabe, Shigehiro Takajo | 2020-02-11 |
| 10535453 | Grain-oriented electrical steel sheet and method for manufacturing the same | Shigehiro Takajo, Seiji Okabe, Kazuhiro Hanazawa | 2020-01-14 |
| 10395806 | Grain-oriented electrical steel sheet and method of manufacturing the same | Shigehiro Takajo, Hiroi Yamaguchi, Seiji Okabe, Kazuhiro Hanazawa | 2019-08-27 |
| 10147527 | Grain-oriented electrical steel sheet and method for manufacturing same | Shigehiro Takajo, Seiji Okabe, Michiro Komatsubara | 2018-12-04 |
| 10062483 | Grain-oriented electrical steel sheet and method for improving iron loss properties thereof | Shigehiro Takajo, Hiroi Yamaguchi, Seiji Okabe, Kazuhiro Hanazawa | 2018-08-28 |