Wang; Yi-Chang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wang; Yi-Chang.The latest application filed is for "gardening tool with identification function".
- Wang; Yi-Chang - Hsinchu TW
- WANG; YI-CHANG - Changhua City TW
- Wang; Yi-Chang - Tainan TW
| Patent | Date |
|---|---|
| System and method for communication service verification, and verification server thereof Grant 11,082,212 - Liao , et al. August 3, 2 | 2021-08-03 |
| Gardening Tool With Identification Function App 20210122023 - YAO; KEVIN ; et al. | 2021-04-29 |
| Voucher Verification Auxiliary Device, Voucher Verification Auxiliary System, And Voucher Verification Auxiliary Method App 20200090139 - Chen; Yi-Yuan ; et al. | 2020-03-19 |
| System And Method For Communication Service Verification, And Verification Server Thereof App 20190199522 - Liao; Xin-Lan ; et al. | 2019-06-27 |
| Tracking eye recovery Grant 10,130,255 - Chang , et al. November 20, 2 | 2018-11-20 |
| Tracking Eye Recovery App 20170095151 - Chang; Hung-Yang ; et al. | 2017-04-06 |
| Tracking eye recovery Grant 9,552,517 - Chang , et al. January 24, 2 | 2017-01-24 |
| Corrective Lens Prescription Adaptation System For Personalized Optometry App 20150160474 - Chang; Hung-Yang ; et al. | 2015-06-11 |
| Tracking Eye Recovery App 20150161783 - Chang; Hung-Yang ; et al. | 2015-06-11 |
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