Chang; Chao-Chih
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Chao-Chih.The latest application filed is for "musical instrument holder clip".
- Chang; Chao-Chih - Taichung TW
- CHANG; Chao-Chih - TaichungCity TW
- Chang; Chao-Chih - Taichung City TW
| Patent | Date |
|---|---|
| Musical instrument holder clip Grant 11,443,723 - Chang September 13, 2 | 2022-09-13 |
| Musical Instrument Holder Clip App 20220130354 - CHANG; Chao-Chih | 2022-04-28 |
| Microphone having an airtight back chamber Grant 10,924,845 - Peng , et al. February 16, 2 | 2021-02-16 |
| Microphone Having an Airtight Back Chamber App 20200366985 - Peng; Tzu-Huan ; et al. | 2020-11-19 |
| Mobile communications devices and methods for inter-radio access technology performance enhancement Grant 9,585,065 - Lin , et al. February 28, 2 | 2017-02-28 |
| Microphone capable of actively counteracting noise attributed to undesired vibration Grant 9,578,422 - Chang February 21, 2 | 2017-02-21 |
| Microphone Capable of Actively Counteracting Noise Attributed to Undesired Vibration App 20160269830 - Chang; Chao-Chih | 2016-09-15 |
| Mobile Communications Devices And Methods For Inter-radio Access Technology Performance Enhancement App 20150350964 - LIN; Chi-Chung ; et al. | 2015-12-03 |
| Wireless Microphone System With Frequency Matching Capability, And Method For Frequency Matching In A Wireless Microphone System App 20130223653 - Chang; Chao-Chih | 2013-08-29 |
| Method for manufacturing a condenser microphone Grant 8,375,560 - Tsai , et al. February 19, 2 | 2013-02-19 |
| Method For Manufacturing A Condenser Microphone App 20120210560 - TSAI; Jean-Yih ; et al. | 2012-08-23 |
| Acoustoeletric transformation chip for ribbon microphone Grant 8,031,889 - Horng , et al. October 4, 2 | 2011-10-04 |
| Clamping device for anchoring a microphone to an instrument Grant 7,895,925 - Chang March 1, 2 | 2011-03-01 |
| Microphone shock absorber Grant D630,191 - Chang , et al. January 4, 2 | 2011-01-04 |
| Clamping Device For Anchoring A Microphone To An Instrument App 20100001154 - Chang; Chao-Chih | 2010-01-07 |
| Acoustoeletric transformation chip for ribbon microphone App 20090245544 - Horng; Ray-Hua ; et al. | 2009-10-01 |
| Method for making a diaphragm unit of a condenser microphone Grant 7,469,461 - Chang , et al. December 30, 2 | 2008-12-30 |
| Electromagnetic Microphone App 20080298609 - Chang; Chao-Chih | 2008-12-04 |
| Microphone pick-up device Grant 7,433,478 - Chang October 7, 2 | 2008-10-07 |
| Condenser microphone package App 20080232630 - Horng; Ray-Hua ; et al. | 2008-09-25 |
| Method for making condenser microphones Grant 7,343,661 - Horng , et al. March 18, 2 | 2008-03-18 |
| Method for making condenser microphones App 20070245542 - Horng; Ray-Hua ; et al. | 2007-10-25 |
| Method for making a diaphragm unit of a condenser microphone App 20070134839 - Chang; Chao-Chih ; et al. | 2007-06-14 |
| Condenser microphone and method for making the same Grant 7,224,812 - Chang May 29, 2 | 2007-05-29 |
| Switching unit for a microphone Grant 7,203,330 - Chang April 10, 2 | 2007-04-10 |
| Microphone Grant 7,155,024 - Chang December 26, 2 | 2006-12-26 |
| Microphone App 20060126880 - Chang; Chao-Chih | 2006-06-15 |
| Microphone pick-up device App 20060098834 - Chang; Chao-Chih | 2006-05-11 |
| Condenser microphone and method for making the same Grant 6,928,178 - Chang August 9, 2 | 2005-08-09 |
| Condenser microphone and method for making the same App 20050152571 - Chang, Chao-Chih | 2005-07-14 |
| Switching unit for a microphone App 20050058308 - Chang, Chao-Chih | 2005-03-17 |
| Condenser microphone and method for making the same App 20040114775 - Chang, Chao-Chih | 2004-06-17 |
| Microphone with a variable resistance switch Grant 6,597,796 - Chang July 22, 2 | 2003-07-22 |
| Microphone With A Variable Resistance Switch App 20030091208 - Chang, Chao-Chih | 2003-05-15 |
| Adjustable holder for an acoustic pick-up device Grant 6,201,877 - Chang March 13, 2 | 2001-03-13 |
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