Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647305 | Process for manufacturing amorphous alloy powders | Ko Kumai, Tatsuhiko Noda, Takashi Satoh | 1987-03-03 |
| 4613842 | Iron core for electrical machinery and apparatus as well as method for producing the iron core | Shigehiro Yamaguchi, Tohru Iuchi, Yoshihiro Ohya | 1986-09-23 |
| 4552596 | Grain-oriented electromagnetic steel sheet with improved watt loss | Shigehiro Yamaguchi, Tohru Iuchi, Katsuro Kuroki | 1985-11-12 |
| 4363677 | Method for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surface | Shigehiro Yamaguchi, Tohru Iuchi, Motoharu Nakamura, Yozo Suga | 1982-12-14 |
| 4293350 | Grain-oriented electromagnetic steel sheet with improved watt loss | Shigehiro Yamaguchi, Tohru Iuchi, Katsuro Kuroki | 1981-10-06 |