Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424360 | Grain-oriented electrical steel sheet and method for manufacturing same | Takashi Kataoka, Tomohito Tanaka, Masataka IWAKI, Kazutoshi Takeda | 2025-09-23 |
| 12397373 | Groove processing device and groove processing method | — | 2025-08-26 |
| 12173378 | Method for manufacturing grain-oriented electrical steel sheet | Satoshi Arai, Yoshiyuki Ushigami, Shinji Yamamoto, Shunsuke Okumura | 2024-12-24 |
| 12031191 | Grain-oriented electrical steel sheet and method for manufacturing same | Satoshi Arai, Kazutoshi Takeda, Takeo ARAMAKI, Hirotoshi Tada | 2024-07-09 |
| 11970751 | Grain-oriented electrical steel sheet and method for manufacturing the same | Yoshiyuki Ushigami, Shinji Yamamoto, Takashi Kataoka, Shunsuke Okumura | 2024-04-30 |
| 11898215 | Grain-oriented electrical steel sheet and method for manufacturing the same | Yoshiyuki Ushigami, Shinji Yamamoto, Fumiaki Takahashi, Shinsuke Takatani, Masaru Takahashi | 2024-02-13 |
| 11697856 | Grain-oriented electrical steel sheet and manufacturing method thereof | Fumiaki Takahashi, Satoshi Arai | 2023-07-11 |
| 11661636 | Method for manufacturing grain-oriented electrical steel sheet and grain-oriented electrical steel sheet | Nobusato Morishige, Takashi Kataoka, Haruhiko ATSUMI, Yasuhiro Mayumi, Toshiya Takechi +4 more | 2023-05-30 |
| 11651878 | Grain-oriented electrical steel sheet | Hisashi Mogi, Fumiaki Takahashi, Satoshi Arai | 2023-05-16 |
| 11551838 | Grain-oriented electrical steel sheet | Satoshi Arai, Shunsuke Okumura, Kimihiko Sugiyama | 2023-01-10 |
| 11498156 | Laser processing apparatus | Koji Hirano, Hirofumi Imai, Tatsuhiko Sakai | 2022-11-15 |
| 11393612 | Grain-oriented electrical steel sheet | Satoshi Arai, Takashi Kataoka, Shunsuke Okumura | 2022-07-19 |
| 10906134 | Grain-oriented electrical steel sheet | Tatsuhiko Sakai, Hisashi Mogi, Fumiaki Takahashi, Hirofumi Imai, Shunsuke Okumura | 2021-02-02 |
| 10773338 | Laser processing apparatus | Koji Hirano, Hirofumi Imai, Tatsuhiko Sakai | 2020-09-15 |
| 10675714 | Grain-oriented electrical steel sheet | Tatsuhiko Sakai, Hisashi Mogi, Fumiaki Takahashi | 2020-06-09 |
| 10662491 | Grain-oriented electrical steel sheet | Takahito MIZUMURA, Fumiaki Takahashi, Masato Mizokami, Hisashi Mogi, Hirofumi Imai +2 more | 2020-05-26 |
| 10610964 | Grain-oriented electrical steel sheet causing low core loss and low magnetostriction | Satoshi Arai, Kenichi Murakami, Hiroyasu Fujii, Hideyuki Kobayashi, Norikazu Fujii +1 more | 2020-04-07 |
| 10518467 | Method for producing film | Yusuke Kon, Tatsuya Kataoka | 2019-12-31 |
| 10434606 | Grain-oriented electrical steel sheet | Tatsuhiko Sakai, Fumiaki Takahashi, Hisashi Mogi, Shunsuke Okumura, Hirofumi Imai | 2019-10-08 |
| 10427904 | Method for producing film and method for winding off film | Jian Wang, Tatsuya Kataoka | 2019-10-01 |
| 10385418 | Grain-oriented electrical steel sheet | Hisashi Mogi, Fumiaki Takahashi, Tatsuhiko Sakai, Hirofumi Imai, Shunsuke Okumura | 2019-08-20 |
| 10131018 | Grain-oriented magnetic steel sheet and method of producing the same | Koji Hirano, Satoshi Arai, Hirofumi Imai | 2018-11-20 |
| 9607744 | Laser processing apparatus and laser irradiation method | Koji Hirano, Hirofumi Imai | 2017-03-28 |
| 9139886 | Grain-oriented electrical steel sheet and method for producing same | Tatsuhiko Sakai | 2015-09-22 |
| 8657968 | Grain-oriented electrical steel sheet and method of manufacturing the same | Tatsuhiko Sakai | 2014-02-25 |