Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421568 | Non-oriented electrical steel sheet and method of manufacturing the same | Yoshiaki Natori, Miho Tomita, Kazutoshi Takeda, Takuya Matsumoto | 2025-09-23 |
| 12305253 | Electrical steel sheet and method for manufacturing same | Miho Tomita, Yoshiaki Natori, Hiroshi Fujimura | 2025-05-20 |
| 12283845 | Non-oriented electrical steel sheet, segmented stator, and rotating electrical machine | Yoshiaki Natori, Miho Tomita | 2025-04-22 |
| 12148555 | Non-oriented electrical steel sheet | Yoshiaki Natori, Miho Tomita, Kazutoshi Takeda, Takuya Matsumoto | 2024-11-19 |
| 12119706 | Non-oriented electrical steel sheet, production method for non-oriented electrical steel sheet, electric motor and production method for electric motor | Yoshiaki Natori, Minako Fukuchi, Kazutoshi Takeda | 2024-10-15 |
| 11866797 | Non-oriented electrical steel sheet | Yoshiaki Natori, Miho Tomita, Kazutoshi Takeda, Takuya Matsumoto | 2024-01-09 |
| 11499059 | Electrical steel sheet | Kazutoshi Takeda, Yoshiaki Natori, Takuya Matsumoto | 2022-11-15 |
| 11377705 | Grain-oriented electrical steel sheet | Kenichi Murakami, Nobusato Morishige, Hirotoshi Tada, Yoshiaki Natori | 2022-07-05 |
| 11295881 | Non-oriented electrical steel sheet, manufacturing method of non-oriented electrical steel sheet, and manufacturing method of motor core | Yoshiaki Natori, Masaru Takahashi, Kazutoshi Takeda, Takuya Matsumoto | 2022-04-05 |
| 11279985 | Non-oriented electrical steel sheet | Yoshiaki Natori, Kazutoshi Takeda, Miho Tomita, Hiroshi Fujimura, Takeaki Wakisaka +5 more | 2022-03-22 |
| 11124854 | Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet | Hiroshi Fujimura, Takeru Ichie, Yoshiaki Natori | 2021-09-21 |
| 11053574 | Non-oriented electrical steel sheet | Yoshiaki Natori, Kazutoshi Takeda, Susumu Mukawa, Takuya Matsumoto, Koji Fujita +2 more | 2021-07-06 |
| 11021771 | Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet | Yoshiaki Natori, Kazutoshi Takeda, Susumu Mukawa, Takuya Matsumoto, Koji Fujita +2 more | 2021-06-01 |
| 10604818 | Grain-oriented electrical steel sheet | Kenichi Murakami, Nobusato Morishige, Hirotoshi Tada, Yoshiaki Natori | 2020-03-31 |
| 10541071 | Electrical steel sheet | Hirotoshi Tada, Satoshi Kano, Ichiro Tanaka | 2020-01-21 |
| 8157928 | Non-oriented electrical steel sheet and production process thereof | Ichirou Tanaka, Hiroshi Fujimura, Hirokatsu Nitomi, Kouji Nishida, Hiroki Takamaru | 2012-04-17 |
| 7922834 | Non-oriented electrical steel sheet and production process thereof | Ichirou Tanaka, Hiroshi Fujimura, Hirokatsu Nitomi, Kouji Nishida, Hiroki Takamaru | 2011-04-12 |
| 6638368 | Non-oriented electrical steel sheet and method for producing the same | Ichiro Tanaka, Mitsuyo Maeda, Taisei Nakayama, Noriyuki Honjou, Shinsuke Mita | 2003-10-28 |
| 6340399 | Non-oriented electrical steel sheet and method for producing the same | Ichiro Tanaka, Mitsuyo Maeda, Taisei Nakayama, Noriyuki Honjou, Shinsuke Mita | 2002-01-22 |
| 5425820 | Oriented magnetic steel sheets and manufacturing process therefor | Teruo Kaneko, Takashi Tanaka | 1995-06-20 |
| 5250123 | Oriented silicon steel sheets and production process therefor | Teruo Kaneko | 1993-10-05 |