He; Ruo-Hua
Patent Applications and Registrations
Patent applications and USPTO patent grants for He; Ruo-Hua.The latest application filed is for "enhanced coupling strength grating having a cover layer".
- He; Ruo-Hua - Dallas TX
| Patent | Date |
|---|---|
| Enhanced coupling strength grating having a cover layer Grant 10,620,379 - Evans , et al. | 2020-04-14 |
| Method of making an enhanced coupling strength grating having a cover layer Grant 10,620,378 - Evans , et al. | 2020-04-14 |
| Method Of Making An Enhanced Coupling Strength Grating Having A Cover Layer App 20190353846 - Evans; Gary A. ; et al. | 2019-11-21 |
| Enhanced Coupling Strength Grating Having A Cover Layer App 20190353847 - Evans; Gary A. ; et al. | 2019-11-21 |
| Enhanced coupling strength grating having a cover layer Grant 10,371,898 - Evans , et al. | 2019-08-06 |
| Enhanced Coupling Strength Gratings App 20150063753 - Evans; Gary A. ; et al. | 2015-03-05 |
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