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Patent applications and USPTO patent grants for Masui; Hiroaki.The latest application filed is for "thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties".
Patent | Date |
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Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties Grant 6,858,095 - Yoshitomi , et al. February 22, 2 | 2005-02-22 |
Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties App 20010042576 - Yoshitomi, Yasunari ;   et al. | 2001-11-22 |
Grain oriented silicon steel sheet having low core loss and method of manufacturing same Grant 5,961,744 - Yamazaki , et al. October 5, 1 | 1999-10-05 |
Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same Grant 5,507,883 - Tanaka , et al. April 16, 1 | 1996-04-16 |
Method for producing a steel sheet having remarkably excellent toughness at low temperatures Grant 4,138,278 - Nakasugi , et al. February 6, 1 | 1979-02-06 |
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