Sunaga; Yutaka
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sunaga; Yutaka.The latest application filed is for "methods for cold drawing seamless metal tubes each having an upset portion on each end".
- Sunaga; Yutaka - Yokohama JP
- Sunaga; Yutaka - Kawasaki JP
| Patent | Date |
|---|---|
| Methods for cold drawing seamless metal tubes each having an upset portion on each end Grant 5,119,662 - Sunaga , et al. * June 9, 1 | 1992-06-09 |
| Method of cold drawing seamless metal tubes each having an upset portion on each end Grant 4,726,211 - Sunaga , et al. February 23, 1 | 1988-02-23 |
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