Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851056 | Process for producing a semi-processed non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density | Kunisuke Miyoshi, Takeshi Kubota | 1989-07-25 |
| 4797167 | Method for the production of oriented silicon steel sheet having excellent magnetic properties | Hisanobu Nakayama, Shouzaburo Nakashima, Yasukazu Mori | 1989-01-10 |
| 4666534 | Non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density and a process for producing the same | Kunisuke Miyoshi, Takeshi Kubota | 1987-05-19 |
| 4661174 | Non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density and a process for producing the same | Kunisuke Miyoshi, Takeshi Kubota | 1987-04-28 |
| 4560423 | Process for producing a non-oriented electromagnetic steel sheet having excellent magnetic properties | Kunisuke Miyoshi, Yoshitaka Hiromae | 1985-12-24 |
| 4555264 | Process for producing steel for an electrical steel sheet | Takeaki Takeshita, Katuyuki Oba, Takashi Masuda | 1985-11-26 |
| 4439251 | Non-oriented electric iron sheet and method for producing the same | Ichiro Tachino, Shigenobu Koga | 1984-03-27 |
| 4338143 | Non-oriented silicon steel sheet with stable magnetic properties | Shigenobu Koga, Katsuyki Ohba | 1982-07-06 |
| 4280837 | Method for continuously casting slab for manufacturing grain-oriented electrical steel sheet and strip | Morio Shiozaki, Mitsuaki Kawashima, Nobuoki Ishihara | 1981-07-28 |