Ariga; Keiji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ariga; Keiji.The latest application filed is for "method of producing soft thin steel sheet by continuous annealing".
- Ariga; Keiji - Kudamatsu JA
- Ariga; Keiji - Yamaguchi-Ken JA
| Patent | Date |
|---|---|
| Method of producing soft thin steel sheet by continuous annealing Grant 4,023,987 - Nomura , et al. May 17, 1 | 1977-05-17 |
| Method of producing tin coated steel sheet used for seamless steel container Grant 3,982,314 - Ariga , et al. September 28, 1 | 1976-09-28 |
| Electroplated Steel Sheet Grant 3,791,801 - Ariga , et al. February 12, 1 | 1974-02-12 |
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