Nihei; Masayasu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nihei; Masayasu.The latest application filed is for "method of high frequency pulse arc welding and apparatus therefor".
- Nihei; Masayasu - Hitachi JP
| Patent | Date |
|---|---|
| Method of high frequency pulse arc welding and apparatus therefor Grant 6,225,598 - Nihei , et al. May 1, 2 | 2001-05-01 |
| Method of and apparatus for sputtering, and integrated circuit device Grant 5,175,608 - Nihei , et al. December 29, 1 | 1992-12-29 |
| Semiconductor device and method for manufacturing the same Grant 5,051,812 - Onuki , et al. September 24, 1 | 1991-09-24 |
| Method of and apparatus for sputtering Grant 4,999,096 - Nihei , et al. March 12, 1 | 1991-03-12 |
| Thin film forming method through sputtering and sputtering device Grant 4,692,230 - Nihei , et al. September 8, 1 | 1987-09-08 |
| Two electrode welding with different currents supplied to the electrodes Grant 4,436,982 - Kokura , et al. March 13, 1 | 1984-03-13 |
| Method of electrode current control in welding apparatus having a plurality of electrodes Grant 4,396,823 - Nihei , et al. August 2, 1 | 1983-08-02 |
| Method and apparatus for automatically controlling arc welding Grant 4,280,137 - Ashida , et al. July 21, 1 | 1981-07-21 |
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