Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141573 | High flux density grain-oriented electrical steel sheet having improved watt loss characteristic and process for preparation thereof | — | 1992-08-25 |
| 5066343 | Process for preparation of thin grain oriented electrical steel sheet having superior iron loss and high flux density | Kenzo Iwayama, Isao Iwanaga | 1991-11-19 |
| 4992114 | Process for producing grain-oriented thin electrical steel sheet having high magnetic flux density by one-stage cold-rolling method | Katsuro Kuroki, Koji Yamasaki | 1991-02-12 |
| 4948433 | Process for preparation of thin grain oriented electrical steel sheet having excellent iron loss and high flux density | Katsuro Kuroki, Kiyoshi Ueno | 1990-08-14 |
| 4863532 | Grain-oriented electromagnetic steel sheet | Katsuro Kuroki, Toshiya Wada | 1989-09-05 |
| 4806176 | Process for producing a grain-oriented electromagnetic steel sheet having a high magnetic flux density | Jiro Harase, Katsuro Kuroki, Toshiya Wada | 1989-02-21 |
| 4753692 | Grain-oriented electromagnetic steel sheet and process for producing the same | Katsuro Kuroki, Toshiya Wada | 1988-06-28 |
| 4543134 | Process for producing grain-oriented electrical steel sheet having both improved magnetic properties and properties of glass film | Osamu Tanaka, Takashi Nagano, Tomoji Kumano, Yoshitaka Hiromae | 1985-09-24 |
| 4371405 | Process for producing grain-oriented silicon steel strip | Jiro Harase, Kunihide Takashima | 1983-02-01 |
| 4225366 | Process for producing grain oriented electrical silicon steel sheet containing aluminium | Jirou Harase, Yasukazu Mori | 1980-09-30 |