Inventor · disambiguated record
Chih-Kang Chang
Also filed as: CHANG CHIH-KANG
2 granted patents·6 pending applications·8 citations·filing 2004–2025
54Inventor score
Files withPOWER GEODE TECHNOLOGY CO LTD3ABILITY ENTPR CO LTD1BROTHERBEAR CORP1EVERLIGHT USA INC1UNIV NAT TAIWAN1
Top patents by PatentIndex Score
8 records- 0174US7915322B2Polymerizable water-soluble or alcohol-soluble ultraviolet absorberEVERLIGHT USA INC·Filed 2008·Granted Mar 29, 2011·5 cites·11 claims
- 0254US2025284087A1Rotary dial structureABILITY ENTPR CO LTD·Filed 2025·Application pending·0 cites
- 0351US2005149477A1Workstation and method for transforming informationPOWER GEODE TECHNOLOGY CO LTD·Filed 2004·Application pending·0 cites
- 0445US2010133238A1Machining FluidUNIV NAT TAIWAN·Filed 2009·Application pending·0 cites
- 0540US7017627B2Nitrogen-filling systemPOWER GEODE TECHNOLOGY CO LTD·Filed 2004·Granted Mar 28, 2006·3 cites·20 claims
- 0639US2006104012A1Electronic book deviceBROTHERBEAR CORP·Filed 2004·Application pending·0 cites
- 0736US2005057011A1Carrier for wafer boxesPOWER GEODE TECHNOLOGY CO LTD·Filed 2004·Application pending·0 cites
- 0835US2005058519A1Positioning deviceFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →