Inventor · disambiguated record
Jack Jih-Sang Chen
Also filed as: CHEN JACK · CHEN JACK J · CHEN JACK JIH-SANG
39 granted patents·9 pending applications·254 citations·filing 1995–2024
97Inventor score
Top patents by PatentIndex Score
48 records- 0196US11335479B1Composite circuit protection deviceFUZETEC TECH CO LTD·Filed 2021·Granted May 17, 2022·3 cites·19 claims
- 0296US10971287B1Composite circuit protection deviceFUZETEC TECH CO LTD·Filed 2020·Granted Apr 6, 2021·4 cites·21 claims
- 0395US8508328B1Insertable polymer PTC over-current protection deviceCHEN JACK JIH-SANG·Filed 2012·Granted Aug 13, 2013·28 cites·9 claims
- 0494US8558655B1Positive temperature coefficient polymer composition and positive temperature coefficient circuit protection deviceCHEN JACK JIH-SANG·Filed 2012·Granted Oct 15, 2013·19 cites·12 claims
- 0593US10418158B1Composite circuit protection deviceFUZETEC TECH CO LTD·Filed 2018·Granted Sep 17, 2019·6 cites·18 claims
- 0693US9773589B1PTC circuit protection deviceFUZETEC TECH CO LTD·Filed 2016·Granted Sep 26, 2017·5 cites·11 claims
- 0793US8368504B1Positive temperature coefficient circuit protection deviceFUZETEC TECHNOLOGY CO LTD·Filed 2011·Granted Feb 5, 2013·17 cites·9 claims
- 0891US6238598B1Positive temperature coefficient (PTC) polymer blend composition and circuit protection deviceFUZETEC TECHNOLOGY CO LTD·Filed 2000·Granted May 29, 2001·28 cites·18 claims
- 0988US9455075B1Over-current protection deviceFUZETEC TECH CO LTD·Filed 2015·Granted Sep 27, 2016·4 cites·12 claims
- 1086US10147525B1PTC circuit protection deviceFUZETEC TECH CO LTD·Filed 2017·Granted Dec 4, 2018·3 cites·8 claims
- 1186US8508327B2PTC material composition for making a PTC circuit protection deviceCHEN JACK JIH-SANG·Filed 2011·Granted Aug 13, 2013·8 cites·13 claims
- 1285US6359053B1Cocktail-type positive temperature coefficient (PTC) polymer blend composition and circuit protection deviceFUZETEC TECHNOLOGY CO LTD·Filed 2000·Granted Mar 19, 2002·18 cites·18 claims
- 1383US9502163B2PTC circuit protection deviceFUZETEC TECH CO LTD·Filed 2015·Granted Nov 22, 2016·3 cites·7 claims
- 1482US6285275B1Surface mountable electrical deviceFUZETEC TECHNOLOGY CO LTD·Filed 2001·Granted Sep 4, 2001·20 cites·4 claims
- 1581US9959958B1PTC circuit protection device and method of making the sameFUZETEC TECH CO LTD·Filed 2017·Granted May 1, 2018·2 cites·13 claims
- 1677US7544311B2Positive temperature coefficient polymer composition and circuit protection device made therefromFUZETEC TECHNOLOGY CO LTD·Filed 2005·Granted Jun 9, 2009·8 cites·28 claims
- 1776US10804012B1Composite circuit protection deviceFUZETEC TECH CO LTD·Filed 2019·Granted Oct 13, 2020·1 cites·19 claims
- 1872US12183490B2Hybrid circuit protection deviceFUZETEC TECH CO LTD·Filed 2022·Granted Dec 31, 2024·0 cites·24 claims
- 1971US6480094B1Surface mountable electrical deviceFUZETEC TECHNOLOGY CO LTD·Filed 2001·Granted Nov 12, 2002·11 cites·4 claims
- 2070US2024368372A1Positive temperature coefficient polymer composition and positive temperature coefficient circuit protection deviceFUZETEC TECH CO LTD·Filed 2023·Application pending·0 cites
- 2162US12261430B2Composite circuit protection deviceFUZETEC TECH CO LTD·Filed 2021·Granted Mar 25, 2025·0 cites·19 claims
- 2262US12260975B2Over-voltage circuit protection deviceFUZETEC TECH CO LTD·Filed 2022·Granted Mar 25, 2025·0 cites·13 claims
- 2362US8458894B2Method for making a positive temperature coefficient deviceCHEN JACK JIH-SANG·Filed 2009·Granted Jun 11, 2013·3 cites·8 claims
- 2462US2025342989A1Over-current protection deviceFUZETEC TECH CO LTD·Filed 2024·Application pending·0 cites
- 2561US5537742AMethod for joining multiple conductor cablesGEN SIGNAL CORP·Filed 1995·Granted Jul 23, 1996·28 cites·24 claims
- 2660US12014851B2Integrated over-current protection deviceFUZETEC TECH CO LTD·Filed 2022·Granted Jun 18, 2024·0 cites·16 claims
- 2760US11043804B2Over-current protection deviceFUZETEC TECH CO LTD·Filed 2019·Granted Jun 22, 2021·0 cites·11 claims
- 2859US11682892B2Composite circuit protection deviceFUZETEC TECH CO LTD·Filed 2021·Granted Jun 20, 2023·0 cites·18 claims
- 2958US9502162B2Positive temperature coefficient circuit protection deviceFUZETEC TECH CO LTD·Filed 2014·Granted Nov 22, 2016·1 cites·7 claims
- 3057US2017309379A1Pptc over-current protection deviceFUZETEC TECH CO LTD·Filed 2017·Application pending·0 cites
- 3156US11289902B2Composite circuit protection deviceFUZETEC TECH CO LTD·Filed 2020·Granted Mar 29, 2022·0 cites·23 claims
- 3255US10790074B1PTC circuit protection deviceFUZETEC TECH CO LTD·Filed 2019·Granted Sep 29, 2020·0 cites·20 claims
- 3355US6576492B2Process for making surface mountable electrical devicesFUZETEC TECHNOLOGY CO LTD·Filed 2001·Granted Jun 10, 2003·5 cites·3 claims
- 3454US2025095888A1Positive temperature coefficient over-current protection deviceFUZETEC TECH CO LTD·Filed 2023·Application pending·0 cites
- 3550US11404186B1PTC circuit protection deviceFUZETEC TECH CO LTD·Filed 2021·Granted Aug 2, 2022·0 cites·17 claims
- 3650US7221115B2Method and apparatus for controlling multiplexed motorsCHEN JACK·Filed 2003·Granted May 22, 2007·2 cites·4 claims
- 3750US2015064518A1Over-current protection device and battery assemblyFUZETEC TECHNOLOGY CO LTD·Filed 2013·Application pending·0 cites
- 3849US10084308B1Overcurrent protection deviceFUZETEC TECH CO LTD·Filed 2017·Granted Sep 25, 2018·0 cites·6 claims
- 3949US8123984B2Positive temperature coefficient polymer composition and material made therefromCHEN JACK JIH-SANG·Filed 2009·Granted Feb 28, 2012·0 cites·8 claims
- 4049US2015235744A1Pptc over-current protection deviceFUZETEC TECHNOLOGY CO LTD·Filed 2014·Application pending·0 cites
- 4148US9613736B1Positive temperature coefficient circuit protection chip deviceFUZETEC TECH CO LTD·Filed 2015·Granted Apr 4, 2017·0 cites·15 claims
- 4247US2006081821A1Positive temperature coefficient (PTC) polymer composition and resettable fuse made therefromFUZETEC TECHNOLOGY CO LTD·Filed 2005·Application pending·0 cites
- 4346US11264789B2Over-current protection deviceFUZETEC TECH CO LTD·Filed 2018·Granted Mar 1, 2022·0 cites·20 claims
- 4446US10325701B1Over-current protection deviceFUZETEC TECH CO LTD·Filed 2018·Granted Jun 18, 2019·0 cites·13 claims
- 4544US5590374AMethod and apparatus for employing a dummy read command to automatically assign a unique memory address to an interface cardFUJITSU LTD·Filed 1996·Granted Dec 31, 1996·27 cites·21 claims
- 4643US10304596B1PTC circuit protection device and method of making the sameFUZETEC TECH CO LTD·Filed 2017·Granted May 28, 2019·0 cites·10 claims
- 4743US2004222406A1Positive temperature coefficient polymer composition and resettable fuse made therefromFUZETEC TECHNOLOGY CO LTD·Filed 2003·Application pending·0 cites
- 4842US2008074232A1Conductive positive temperature coefficient polymer composition and circuit protection device made therefromFUZETEC TECHNOLOGY CO LTD·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Jack Jih-Sang Chen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →