Cheng; Chi-Chang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Chi-Chang.The latest application filed is for "method for making reflective and self-luminous substrate and the application thereof".
- Cheng; Chi-Chang - Yuanlin Township TW
- Cheng; Chi-Chang - Changhua TW
- Cheng; Chi-Chang - New Taipei TW
- Cheng; Chi-Chang - Chang Hua Hsien N/A TW
- CHENG; Chi-Chang - New Taipei City TW
- Cheng; Chi-Chang - Tu-Cheng TW
- Cheng; Chi-Chang - Miao-Li TW
| Patent | Date |
|---|---|
| Method for making reflective and self-luminous substrate Grant 10,174,910 - Cheng J | 2019-01-08 |
| Method for Making Reflective and Self-Luminous Substrate and the Application Thereof App 20180266660 - Cheng; Chi-Chang | 2018-09-20 |
| Pet Carrier App 20150342147 - Cheng; Chi-Chang | 2015-12-03 |
| Bicycle gear shift control system capable of avoiding frequent gear shifting Grant 9,008,931 - Cheng April 14, 2 | 2015-04-14 |
| Automatic gear-shifting bicycle with optimal shift timing Grant 8,977,450 - Cheng March 10, 2 | 2015-03-10 |
| Power-assisted bicycle with a gear shift smoothening function Grant 8,886,426 - Cheng November 11, 2 | 2014-11-11 |
| Shift control system for power-assisted bicycle Grant 8,768,585 - Cheng July 1, 2 | 2014-07-01 |
| Power-assisted system for bicycle Grant 8,532,857 - Hsu , et al. September 10, 2 | 2013-09-10 |
| Bicycle Gear Shift Control System Capable Of Avoiding Frequent Gear Shifting App 20130096783 - CHENG; Chi-Chang | 2013-04-18 |
| Power-assisted Bicycle With A Gear Shift Smoothening Function App 20130090819 - CHENG; Chi-Chang | 2013-04-11 |
| Automatic Gear-shifting Bicycle With Optimal Shift Timing App 20130054102 - CHENG; Chi-Chang | 2013-02-28 |
| Derailleur For Electric Bicycle App 20120325039 - CHENG; Chi-Chang ; et al. | 2012-12-27 |
| Shift Control System For Power-assisted Bicycle App 20120265414 - CHENG; Chi-Chang | 2012-10-18 |
| Power-assisted System For Bicycle App 20120226400 - HSU; Yuan-Fang ; et al. | 2012-09-06 |
| Portable electronic device Grant 7,701,727 - Chuang , et al. April 20, 2 | 2010-04-20 |
| Portable Electronic Device App 20090310315 - CHUANG; YUNG-CHUAN ; et al. | 2009-12-17 |
| Keypad Assembly For Electronic Device App 20090152083 - CHENG; CHIH-WEI ; et al. | 2009-06-18 |
| Button module and electronic device using the same App 20060234522 - Lin; Gwo-Ching ; et al. | 2006-10-19 |
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