Inventor · disambiguated record
Feng-Chih Chang
Also filed as: CHANG FENG-CHIH
8 granted patents·3 pending applications·141 citations·filing 1981–2012
87Inventor score
Files withDOW CHEMICAL CO3IND TECH RES INST3CHANG FENG-CHIH1CHIANG CHIH-MING1NAT APPLIED RES LABORATORIES1
Top patents by PatentIndex Score
11 records- 0184US4354046AProcess for obtaining high purity bisphenol ADOW CHEMICAL CO·Filed 1981·Granted Oct 12, 1982·32 cites·5 claims
- 0282US4533764APurification of bisphenols by removing residual solventDOW CHEMICAL CO·Filed 1984·Granted Aug 6, 1985·24 cites·7 claims
- 0367US6214251B1Polymer electrolyte compositionFiled 1999·Granted Apr 10, 2001·45 cites·59 claims
- 0460US5576394AFunctional group-containing butadiene based impact modifierIND TECH RES INST·Filed 1995·Granted Nov 19, 1996·15 cites·19 claims
- 0560US2010198666A1Internet advertising system and method with authentication process through a mobile phone networkCHIANG CHIH-MING·Filed 2009·Application pending·0 cites
- 0657US4582892AProcess for the preparation of epoxy resinsDOW CHEMICAL CO·Filed 1985·Granted Apr 15, 1986·13 cites·9 claims
- 0753US2005048447A1Learning system and method of trading financial productsFiled 2003·Application pending·0 cites
- 0850US5668215AFunctional group-containing butadiene based impact modifierIND TECH RES INST·Filed 1996·Granted Sep 16, 1997·12 cites·19 claims
- 0948US7871835B2Method for packaging light-emitting diodeIND TECH RES INST·Filed 2009·Granted Jan 18, 2011·0 cites·6 claims
- 1042US2008236412A1Nano-imprinting method using material having surface energyNAT APPLIED RES LABORATORIES·Filed 2007·Application pending·0 cites
- 1131US9074043B2Compound for carrier transport, element and electronic device using the sameCHANG FENG-CHIH·Filed 2012·Granted Jul 7, 2015·0 cites·10 claims
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