Assignee
ICHIA TECH INC
TW·31 granted patents·12 pending applications·295 citations·filing 2006–2024
Top patents by PatentIndex Score
43 records- 0193US7503683B2Light guide method of double-layer light guide plate and keypad structure using the double-layer light guide plateICHIA TECH INC·Filed 2007·Granted Mar 17, 2009·32 cites·18 claims
- 0292US7455416B2Light guide structure and keypad having the sameICHIA TECH INC·Filed 2006·Granted Nov 25, 2008·46 cites·22 claims
- 0391US7423229B2Light guiding plate and a keystroke module for use therewithICHIA TECH INC·Filed 2006·Granted Sep 9, 2008·32 cites·17 claims
- 0490US7534001B2Light-guiding method of light-guiding plate and key pad assembly using the light-guiding plateICHIA TECH INC·Filed 2007·Granted May 19, 2009·19 cites·29 claims
- 0588US7523544B2Method for manufacturing keypadICHIA TECH INC·Filed 2007·Granted Apr 28, 2009·19 cites·12 claims
- 0686US9111700B2Thin push button structureICHIA TECH INC·Filed 2013·Granted Aug 18, 2015·7 cites·10 claims
- 0785US9721714B1Electromagnet and flexible circuit boardICHIA TECH INC·Filed 2016·Granted Aug 1, 2017·13 cites·10 claims
- 0884US8022324B2Method of manufacturing a keypad structure having a transparent keycap and keypad structure having a transparent keycapICHIA TECH INC·Filed 2009·Granted Sep 20, 2011·12 cites·27 claims
- 0984US7663071B2Keypad assembly having three-dimensional patternsICHIA TECH INC·Filed 2008·Granted Feb 16, 2010·17 cites·16 claims
- 1083US7626133B2Metallic panel assembly having ripple lusterICHIA TECH INC·Filed 2007·Granted Dec 1, 2009·14 cites·11 claims
- 1182US7449642B1Metallic keypad panel assembly having ripple lusterICHIA TECH INC·Filed 2007·Granted Nov 11, 2008·13 cites·20 claims
- 1281US7572023B2Key module with multi-layer light guiding structureICHIA TECH INC·Filed 2008·Granted Aug 11, 2009·12 cites·12 claims
- 1379US7650056B2Method for manufacturing a light-guiding plate and key module having the light-guiding plateICHIA TECH INC·Filed 2006·Granted Jan 19, 2010·12 cites·19 claims
- 1474US7759588B2Thin keypad assemblyICHIA TECH INC·Filed 2007·Granted Jul 20, 2010·6 cites·25 claims
- 1574US7634081B2Method for manufacturing electronic device panel and structure thereofICHIA TECH INC·Filed 2007·Granted Dec 15, 2009·4 cites·20 claims
- 1672US7777144B2Metal keypad panel structure with micropore arrayICHIA TECH INC·Filed 2008·Granted Aug 17, 2010·7 cites·17 claims
- 1770US7866032B2Method of manufacturing metal keypad panel with micropore arrayICHIA TECH INC·Filed 2007·Granted Jan 11, 2011·6 cites·7 claims
- 1869US7893375B2Non-backlighted illuminating keypadICHIA TECH INC·Filed 2008·Granted Feb 22, 2011·5 cites·12 claims
- 1968US8048356B2Method for manufacturing key-pad having three-dimensional patternsICHIA TECH INC·Filed 2008·Granted Nov 1, 2011·3 cites·7 claims
- 2068US7834285B2Keypad assemblyICHIA TECH INC·Filed 2007·Granted Nov 16, 2010·4 cites·15 claims
- 2163US9251974B2Thin key structure and pressable module thereofICHIA TECH INC·Filed 2013·Granted Feb 2, 2016·1 cites·9 claims
- 2263US7735214B2Method for manufacturing metallic keypad panel having ripple lusterICHIA TECH INC·Filed 2007·Granted Jun 15, 2010·4 cites·19 claims
- 2360US9105422B2Thin key structureICHIA TECH INC·Filed 2013·Granted Aug 11, 2015·1 cites·10 claims
- 2457US7976741B2Method of manufacturing light guide plate of keypadICHIA TECH INC·Filed 2007·Granted Jul 12, 2011·0 cites·5 claims
- 2557US7662327B2Manufacturing method of thin keypad assemblyICHIA TECH INC·Filed 2007·Granted Feb 16, 2010·2 cites·9 claims
- 2656US7800005B2Thin keypad assemblyICHIA TECH INC·Filed 2009·Granted Sep 21, 2010·2 cites·8 claims
- 2755US12554345B1Knob structureICHIA TECH INC·Filed 2024·Granted Feb 17, 2026·0 cites·8 claims
- 2854US2014284304A1Method of fabricating test strip of biological fluidICHIA TECH INC·Filed 2013·Application pending·0 cites
- 2954US2014286825A1Test strip for measuring biological fluidICHIA TECH INC·Filed 2013·Application pending·0 cites
- 3051US9827814B2Tire pressure monitoring device and carrier module thereofICHIA TECH INC·Filed 2016·Granted Nov 28, 2017·0 cites·10 claims
- 3151US2011233040A1Keypad having three-dimensional patternsICHIA TECH INC·Filed 2011·Application pending·0 cites
- 3250US9386709B2Method of manufacturing printed circuit boardICHIA TECH INC·Filed 2013·Granted Jul 5, 2016·0 cites·9 claims
- 3350US7914690B2Method for manufacturing metallic panel having ripple lusterICHIA TECH INC·Filed 2007·Granted Mar 29, 2011·2 cites·9 claims
- 3446US9326374B2Flexible circuit board and process for producing the sameICHIA TECH INC·Filed 2013·Granted Apr 26, 2016·0 cites·15 claims
- 3546US2014103008A1Method of fabricating test strip for measuring biological fluidICHIA TECH INC·Filed 2012·Application pending·0 cites
- 3646US2014102894A1Test strip for measuring biological fluidICHIA TECH INC·Filed 2012·Application pending·0 cites
- 3745US2014224528A1Precursor substrate, flexible circuit board and process for producing the sameICHIA TECH INC·Filed 2013·Application pending·0 cites
- 3843US2016255721A1Printed circuit board precursorICHIA TECH INC·Filed 2016·Application pending·0 cites
- 3938US2017231100A1Circuit board structure and method for manufacturing the sameICHIA TECH INC·Filed 2016·Application pending·0 cites
- 4038US2016018854A1Keyboard deviceICHIA TECH INC·Filed 2014·Application pending·0 cites
- 4136US2014224526A1Multi-layer flexible circuit board and process for producing the sameICHIA TECH INC·Filed 2013·Application pending·0 cites
- 4227US2022097602A1Vehicle lighting deviceICHIA TECH INC·Filed 2020·Application pending·0 cites
- 4324US2017013101A1Waterproof housingICHIA TECH INC·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →