Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685920 | Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same | Osamu Tanaka, Maremizu Ishibashi, Tsuyoshi Hamaya, Tomoji Kumano, Koji Yamasaki +3 more | 1997-11-11 |
| 5512110 | Process for production of grain oriented electrical steel sheet having excellent magnetic properties | Yasunari Yoshitomi, Katsuro Kuroki, Yukio Matsuo, Hiroaki Masui, Yoshio Nakamura +3 more | 1996-04-30 |
| 5507883 | Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same | Osamu Tanaka, Hiroaki Masui, Hotaka Honma, Katsuro Kuroki, Yoichi Mishima +2 more | 1996-04-16 |
| 5261972 | Process for producing grain-oriented electrical steel strip having high magnetic flux density | Katsuro Kuroki, Yasunari Yoshitomi, Hiroaki Masui | 1993-11-16 |
| 4406715 | Process for producing grain-oriented electromagnetic steel strip | Tadashi Nakayama, Fumio Matsumoto, Hiromi Matsumoto | 1983-09-27 |
| 4339287 | Process for producing grain-oriented silicon steel strip | Fumio Matsumoto, Satohiro Hayami, Kunihide Takashima, Toshio Kikuma | 1982-07-13 |