CHANG; Yeng-Ming
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHANG; Yeng-Ming.The latest application filed is for "block chain trading system and block chain trading method".
- CHANG; Yeng-Ming - Hsinchu County TW
- Chang; Yeng Ming - New Taipei TW
- CHANG; YENG MING - NEW TAIPEI CITY TW
- CHANG; YENG MING - TAIPEI COUNTY TW
- Chang; Yeng-Ming - Taipei TW
| Patent | Date |
|---|---|
| Block Chain Trading System And Block Chain Trading Method App 20210097530 - CHANG; Yeng-Ming | 2021-04-01 |
| Tamper protection device and data transaction apparatus Grant 9,226,392 - Chang , et al. December 29, 2 | 2015-12-29 |
| Tamper Protection Device And Data Transaction Apparatus App 20140204543 - CHANG; YENG MING ; et al. | 2014-07-24 |
| Method For Personal Identity Authentication Utilizing A Personal Cryptographic Device App 20120124378 - CHANG; YENG MING | 2012-05-17 |
| Plate spring for mounting a magnetic stripe card reader's magnetic head Grant 5,270,523 - Chang , et al. December 14, 1 | 1993-12-14 |
| Security device for protecting electronically-stored data Grant 5,233,505 - Chang , et al. August 3, 1 | 1993-08-03 |
| Read head mounting structure for magnetic card reader Grant 5,091,811 - Chang February 25, 1 | 1992-02-25 |
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