Duan; Chao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duan; Chao.The latest application filed is for "payment authentication method, apparatus and system for onboard terminal".
Company Profile
1.79.78
- Duan; Chao - Hangzhou CN
- Duan; Chao - Shenzhen CN
- DUAN; CHAO - Shenzhen City CN
Patent Activity
| Patent | Date |
|---|---|
| Method and device for realizing session identifier synchronization Grant 10,719,602 - Fang , et al. | 2020-07-21 |
| Payment Authentication Method, Apparatus And System For Onboard Terminal App 20190073671 - Fang; Qiang ; et al. | 2019-03-07 |
| Method and Device for Realizing Session Identifier Synchronization App 20180247049 - Fang; Qiang ; et al. | 2018-08-30 |
| Housing, electronic device using same, and method for making same Grant 9,778,698 - Chen , et al. October 3, 2 | 2017-10-03 |
| Housing, Electronic Device Using Same, And Method For Making Same App 20160224075 - CHEN; CHIA-HUA ; et al. | 2016-08-04 |
| Mobile Power Pack App 20150155726 - DUAN; CHAO ; et al. | 2015-06-04 |
| Portable Power Source App 20150062784 - DUAN; CHAO ; et al. | 2015-03-05 |
| Sliding module for electronic device Grant 8,797,730 - Duan , et al. August 5, 2 | 2014-08-05 |
| Portable electronic device Grant 8,724,303 - Duan , et al. May 13, 2 | 2014-05-13 |
| Sliding module for electronic device Grant 8,625,260 - Wu , et al. January 7, 2 | 2014-01-07 |
| Button activated spring-loaded hinge assembly Grant 8,625,267 - Duan , et al. January 7, 2 | 2014-01-07 |
| Sliding module for electronic device Grant 8,625,268 - Duan , et al. January 7, 2 | 2014-01-07 |
| Hinge assembly for foldable electronic device Grant 8,621,714 - Duan , et al. January 7, 2 | 2014-01-07 |
| Hinge assembly for foldable electronic device Grant 8,593,794 - Shao , et al. November 26, 2 | 2013-11-26 |
| Button activated spring-loaded hinge assembly Grant 8,549,709 - Luo , et al. October 8, 2 | 2013-10-08 |
| Sliding module for electronic device Grant 8,553,402 - Wu , et al. October 8, 2 | 2013-10-08 |
| Sliding module for electronic device Grant 8,547,700 - Duan , et al. October 1, 2 | 2013-10-01 |
| Button activated spring-loaded hinge assembly Grant 8,533,915 - Duan , et al. September 17, 2 | 2013-09-17 |
| Sliding module for electronic device Grant 8,493,725 - Wu , et al. July 23, 2 | 2013-07-23 |
| Button activated spring-loaded hinge assembly Grant 8,490,247 - Luo , et al. July 23, 2 | 2013-07-23 |
| Sliding module for electronic device Grant 8,462,492 - Wu , et al. June 11, 2 | 2013-06-11 |
| Elastic module and slide mechanism and electronic device using the same Grant 8,456,835 - Duan , et al. June 4, 2 | 2013-06-04 |
| Connecting module and sliding mechanism for electronic device Grant 8,453,299 - Li , et al. June 4, 2 | 2013-06-04 |
| Portable Electronic Device App 20130107428 - DUAN; CHAO ; et al. | 2013-05-02 |
| Hinge assembly for foldable electronic device Grant 8,432,677 - Duan , et al. April 30, 2 | 2013-04-30 |
| Hinge assembly for foldable electronic device Grant 8,402,607 - Duan , et al. March 26, 2 | 2013-03-26 |
| Grounding mechanism for slide-type electronic devices Grant 8,383,936 - Duan , et al. February 26, 2 | 2013-02-26 |
| Automatically opening hinge assembly for portable electronic devices Grant 8,370,994 - Duan , et al. February 12, 2 | 2013-02-12 |
| Hinge assembly for foldable electronic device Grant 8,341,805 - Duan , et al. January 1, 2 | 2013-01-01 |
| Grounding mechanism for slide-type electronic devices Grant 8,338,705 - Duan , et al. December 25, 2 | 2012-12-25 |
| Grounding mechanism for slide-type electronic devices Grant 8,334,458 - Duan , et al. December 18, 2 | 2012-12-18 |
| Conncting Module And Sliding Mechanism For Electronic Device App 20120308296 - LI; JIAN-WEI ; et al. | 2012-12-06 |
| Sliding Module For Electronic Device App 20120293926 - DUAN; CHAO ; et al. | 2012-11-22 |
| Sliding Module For Electronic Device App 20120293927 - DUAN; CHAO ; et al. | 2012-11-22 |
| Sliding Module For Electronic Device App 20120236476 - WU; KE-LONG ; et al. | 2012-09-20 |
| Chip card holder for portable electronic device Grant 8,270,175 - Duan , et al. September 18, 2 | 2012-09-18 |
| Sliding mechanism and electronic device having the same Grant 8,254,566 - Duan , et al. August 28, 2 | 2012-08-28 |
| Hinge assembly for foldable electronic device Grant 8,245,354 - Duan , et al. August 21, 2 | 2012-08-21 |
| Hinge Assembly For Foldable Electronic Device App 20120206872 - DUAN; CHAO ; et al. | 2012-08-16 |
| Support mechanism for portable electronic device Grant 8,243,432 - Duan , et al. August 14, 2 | 2012-08-14 |
| Hinge assembly for foldable electronic device Grant 8,240,007 - Duan , et al. August 14, 2 | 2012-08-14 |
| Elastic Module And Slide Mechanism And Electronic Device Using The Same App 20120182672 - DUAN; CHAO ; et al. | 2012-07-19 |
| Sliding Module For Electronic Device App 20120170186 - WU; KE-LONG ; et al. | 2012-07-05 |
| Sliding Module For Electronic Device App 20120170184 - WU; KE-LONG ; et al. | 2012-07-05 |
| Sliding Module For Electronic Device App 20120170183 - WU; KE-LONG ; et al. | 2012-07-05 |
| Sliding Module For Electronic Device App 20120162926 - DUAN; CHAO ; et al. | 2012-06-28 |
| Sliding Module For Electronic Device App 20120162927 - DUAN; CHAO ; et al. | 2012-06-28 |
| Slide mechanism for slide-type portable electronic device Grant 8,208,254 - Duan , et al. June 26, 2 | 2012-06-26 |
| Button Activated Spring-loaded Hinge Assembly App 20120149445 - LUO; YI-DE ; et al. | 2012-06-14 |
| Button Activated Spring-loaded Hinge Assembly App 20120140387 - LUO; YI-DE ; et al. | 2012-06-07 |
| Button Activated Spring-loaded Hinge Assembly App 20120106039 - DUAN; CHAO ; et al. | 2012-05-03 |
| Hinge Assembly For Foldable Electronic Device App 20120099249 - DUAN; CHAO ; et al. | 2012-04-26 |
| Hinge Assembly For Foldable Electronic Device App 20120096676 - LI; JIAN-WEI ; et al. | 2012-04-26 |
| Hinge Assembly For Foldable Electronic Device App 20120099248 - SHAO; MIN ; et al. | 2012-04-26 |
| Sliding and tilting mechanism and portable electronic device using the same Grant 8,164,890 - Wu , et al. April 24, 2 | 2012-04-24 |
| Sliding and tilting mechanism and portable electronic device using the same Grant 8,164,889 - Duan , et al. April 24, 2 | 2012-04-24 |
| Mobile phone Grant D654,466 - Duan , et al. February 21, 2 | 2012-02-21 |
| Mobile phone Grant D654,468 - Duan , et al. February 21, 2 | 2012-02-21 |
| Mobile phone Grant D654,467 - Duan , et al. February 21, 2 | 2012-02-21 |
| Mobile phone Grant D654,051 - Duan , et al. February 14, 2 | 2012-02-14 |
| Mobile phone Grant D654,050 - Duan , et al. February 14, 2 | 2012-02-14 |
| Hinge Assembly For Foldable Electronic Device App 20120030904 - DUAN; CHAO ; et al. | 2012-02-09 |
| Hinge Assembly For Foldable Electronic Device App 20120030905 - DUAN; CHAO ; et al. | 2012-02-09 |
| Hinge Assembly For Foldable Electronic Device App 20120023703 - DUAN; CHAO ; et al. | 2012-02-02 |
| Washer for hinge assembly Grant 8,099,833 - Duan , et al. January 24, 2 | 2012-01-24 |
| Button Activated Spring-loaded Hinge Assembly App 20110286160 - DUAN; CHAO ; et al. | 2011-11-24 |
| Automatically Opening Hinge Assembly For Portable Electronic Devices App 20110277274 - DUAN; CHAO ; et al. | 2011-11-17 |
| Grounding Mechanism For Slide-type Electronic Devices App 20110266018 - DUAN; CHAO ; et al. | 2011-11-03 |
| Grounding Mechanism For Slide-type Electronic Devices App 20110266019 - DUAN; CHAO ; et al. | 2011-11-03 |
| Chip Card Holder For Portable Electronic Device App 20110267787 - DUAN; CHAO ; et al. | 2011-11-03 |
| Grounding Mechanism For Slide-type Electronic Devices App 20110266020 - Duan; Chao ; et al. | 2011-11-03 |
| Hinge Assembly For Foldable Electronic Device App 20110254417 - DUAN; CHAO ; et al. | 2011-10-20 |
| Hinge Assembly For Foldable Electronic Device App 20110239404 - DUAN; CHAO ; et al. | 2011-10-06 |
| Support Mechanism For Portable Electronic Device App 20110164358 - DUAN; CHAO ; et al. | 2011-07-07 |
| Hinge Assembly For Foldable Electronic Device App 20110157787 - DUAN; Chao ; et al. | 2011-06-30 |
| Sliding Mechanism And Electronic Device Having The Same App 20110109212 - Duan; Chao ; et al. | 2011-05-12 |
| Slide Mechanism For Slide-type Portable Electronic Device App 20110096475 - DUAN; CHAO ; et al. | 2011-04-28 |
| Sliding And Tilting Mechanism And Portable Electronic Device Using The Same App 20110096479 - WU; KE-LONG ; et al. | 2011-04-28 |
| Hinge assembly for foldable electronic devices Grant 7,926,146 - Duan , et al. April 19, 2 | 2011-04-19 |
| Sliding And Tilting Mechanism And Portable Electronic Device Using The Same App 20110075333 - DUAN; CHAO ; et al. | 2011-03-31 |
| Hinge assembly for foldable electronic devices Grant 7,913,356 - Duan , et al. March 29, 2 | 2011-03-29 |
| Automatically opening hinge assembly for portable electronic devices Grant 7,913,359 - Duan , et al. March 29, 2 | 2011-03-29 |
| Hinge Assembly For Foldable Electronic Device App 20110067203 - DUAN; CHAO ; et al. | 2011-03-24 |
| Washer For Hinge Assembly App 20100205778 - DUAN; CHAO ; et al. | 2010-08-19 |
| Hinge Housing For Hinge Assembly App 20100180401 - DUAN; CHAO ; et al. | 2010-07-22 |
| Hinge Assembly For Foldable Electronic Device App 20100162526 - DUAN; CHAO ; et al. | 2010-07-01 |
| Hinge assembly for a foldable electronic device Grant 7,725,987 - Duan , et al. June 1, 2 | 2010-06-01 |
| Hinge Assembly For Foldable Electronic Device App 20100107366 - DUAN; CHAO ; et al. | 2010-05-06 |
| Hinge Assembly For Foldable Electronic Devices App 20100071158 - CHEN; Chia-Hua ; et al. | 2010-03-25 |
| Hinge Assembly For Portable Electronic Devices App 20100064478 - DUAN; CHAO ; et al. | 2010-03-18 |
| Hinge assembly with rolling means Grant 7,665,184 - Duan , et al. February 23, 2 | 2010-02-23 |
| Automatically opening hinge assembly for portable electronic devices Grant 7,647,674 - Duan , et al. January 19, 2 | 2010-01-19 |
| Automatically opening hinge assembly for portable electronic devices Grant 7,627,930 - Duan , et al. December 8, 2 | 2009-12-08 |
| Hinge Assembly For Foldable Electronic Devices App 20090223020 - DUAN; CHAO ; et al. | 2009-09-10 |
| Hinge mechanism for foldable electronic device Grant 7,578,030 - Duan , et al. August 25, 2 | 2009-08-25 |
| Automatic opening hinge assembly for portable electronic devices Grant 7,565,718 - Duan , et al. July 28, 2 | 2009-07-28 |
| Hinge assembly Grant 7,565,717 - Duan , et al. July 28, 2 | 2009-07-28 |
| Hinge Assembly For Foldable Electronic Devices App 20090183339 - DUAN; CHAO ; et al. | 2009-07-23 |
| Hinge assembly for a foldable electronic device Grant 7,561,687 - Duan , et al. July 14, 2 | 2009-07-14 |
| Automatically Opening Hinge Assembly For Portable Electronic Devices App 20090165250 - DUAN; CHAO ; et al. | 2009-07-02 |
| Hinge assembly for a foldable electronic device Grant 7,552,512 - Duan , et al. June 30, 2 | 2009-06-30 |
| Automatic opening hinge assembly for portable electronic device Grant 7,513,010 - Duan , et al. April 7, 2 | 2009-04-07 |
| Hinge Assembly For Foldable Electronic Devices App 20090009934 - CHEN; CHIA-HUA ; et al. | 2009-01-08 |
| Hinge assembly for portable electronic devices Grant 7,404,235 - Duan , et al. July 29, 2 | 2008-07-29 |
| Hinge assembly for portable electronic device Grant 7,383,616 - Duan , et al. June 10, 2 | 2008-06-10 |
| Hinge assembly for foldable electronic device Grant 7,353,568 - Duan , et al. April 8, 2 | 2008-04-08 |
| Automatically Opening Hinge Assembly For Portable Electronic Devices App 20080034541 - DUAN; CHAO ; et al. | 2008-02-14 |
| Hinge assembly for foldable electronic device Grant 7,237,304 - Duan , et al. July 3, 2 | 2007-07-03 |
| Hinge assembly for foldable electronic device App 20070039135 - Duan; Chao ; et al. | 2007-02-22 |
| Hinge assembly for a foldable electronic device App 20070036350 - Duan; Chao ; et al. | 2007-02-15 |
| Slide mechanism for a slide-type portable terminal device App 20070004395 - Duan; Chao ; et al. | 2007-01-04 |
| Hinge mechanism for foldable electronic device App 20060265838 - Duan; Chao ; et al. | 2006-11-30 |
| Hinge assembly for a foldable electronic device App 20060256958 - Duan; Chao ; et al. | 2006-11-16 |
| Automatic opening hinge assembly for portable electronic device App 20060254026 - Duan; Chao ; et al. | 2006-11-16 |
| Automatical opening hinge assembly for portable electronic devices App 20060242796 - Duan; Chao ; et al. | 2006-11-02 |
| Hinge assembly for a foldable electronic device App 20060245586 - Duan; Chao ; et al. | 2006-11-02 |
| Automatically opening hinge assembly for portable electronic devices App 20060242795 - Duan; Chao ; et al. | 2006-11-02 |
| Hinge assembly for foldable electronic device App 20060242794 - Duan; Chao ; et al. | 2006-11-02 |
| Hinge mechanism with single hand operation Grant 7,124,472 - Duan , et al. October 24, 2 | 2006-10-24 |
| Hinge assembly App 20060225246 - Duan; Chao ; et al. | 2006-10-12 |
| Hinge assembly for foldable electronic device Grant 7,117,563 - Chen , et al. October 10, 2 | 2006-10-10 |
| Hinge assembly Grant 7,100,239 - Duan , et al. September 5, 2 | 2006-09-05 |
| Hinge assembly for portable electronic devices App 20060147035 - Duan; Chao ; et al. | 2006-07-06 |
| Hinge assembly with lubrication means App 20060123595 - Duan; Chao ; et al. | 2006-06-15 |
| Hinge assembly with lubricant storing receptacle App 20060117529 - Duan; Chao ; et al. | 2006-06-08 |
| Hinge assembly with a rolling means App 20060117528 - Duan; Chao ; et al. | 2006-06-08 |
| Hinge mechanism for a foldable electronic device App 20060117527 - Tu; Ying-Liang ; et al. | 2006-06-08 |
| Hinge assembly with rolling means App 20060096063 - Duan; Chao ; et al. | 2006-05-11 |
| Hinge assembly for foldable electronic device App 20060045261 - Duan; Chao ; et al. | 2006-03-02 |
| Hinge assembly for portable electronic device App 20060032020 - Duan; Chao ; et al. | 2006-02-16 |
| Hinge mechanism with single hand operation App 20050204508 - Duan, Chao ; et al. | 2005-09-22 |
| Hinge assembly for foldable electronic device App 20050188504 - Duan, Chao ; et al. | 2005-09-01 |
| Hinge assembly App 20050188502 - Duan, Chao ; et al. | 2005-09-01 |
| Hinge assembly for foldable electronic device App 20050188503 - Duan, Chao ; et al. | 2005-09-01 |
| Hinge assembly for foldable electronic device App 20050177979 - Duan, Chao ; et al. | 2005-08-18 |
| Hinge Assembly For Foldable Electronic Device App 20050172454 - Chen, Rui-Hao ; et al. | 2005-08-11 |
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