Tsutsumi; Michinari
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsutsumi; Michinari.The latest application filed is for "method for etching chromium film formed on substrate".
- Tsutsumi; Michinari - Hyogo JP
| Patent | Date |
|---|---|
| Method for etching chromium film formed on substrate Grant 5,183,533 - Tsutsumi , et al. * February 2, 1 | 1993-02-02 |
| Method for etching chromium film formed on substrate Grant 5,007,984 - Tsutsumi , et al. April 16, 1 | 1991-04-16 |
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