Nakamura; Motoharu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nakamura; Motoharu.The latest application filed is for "grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same".
- Nakamura; Motoharu - Himeji JP
| Patent | Date |
|---|---|
| Grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same Grant 4,750,949 - Kobayashi , et al. June 14, 1 | 1988-06-14 |
| Method for surface treatment of electrical steel sheet Grant 4,618,377 - Nakamura , et al. October 21, 1 | 1986-10-21 |
| Method for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surface Grant 4,363,677 - Ichiyama , et al. December 14, 1 | 1982-12-14 |
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