Inventor · disambiguated record
David Blumel
Also filed as: BLUMEL DAVID · BLUMEL DAVID B
8 granted patents·1 pending application·579 citations·filing 1985–2000
91Inventor score
Top patents by PatentIndex Score
9 records- 0194US4672021AContrast enhancement layer composition with naphthoquinone diazide, indicator dye and polymeric binderFAIRMOUNT CHEMICAL COMPANY·Filed 1985·Granted Jun 9, 1987·153 cites·6 claims
- 0291US6228678B1Flip chip with integrated mask and underfillFRY METALS INC·Filed 1999·Granted May 8, 2001·138 cites·15 claims
- 0386US6228681B1Flip chip having integral mask and underfill providing two-stage bump formationFRY METALS INC·Filed 1999·Granted May 8, 2001·82 cites·23 claims
- 0486US6194788B1Flip chip with integrated flux and underfillALPHA METALS·Filed 1999·Granted Feb 27, 2001·77 cites·9 claims
- 0581US5297721ANo-clean soldering flux and method using the sameFRY METALS INC·Filed 1992·Granted Mar 29, 1994·49 cites·22 claims
- 0669US5571340ARosin-free, low VOC, no-clean soldering flux and method using the sameFRY METALS INC·Filed 1994·Granted Nov 5, 1996·35 cites·22 claims
- 0764US4777111APhotographic element with diazo contrast enhancement layer and method of producing image in underlying photoresist layer of elementFAIRMOUNT CHEMICAL COMPANY INC·Filed 1987·Granted Oct 11, 1988·18 cites·8 claims
- 0857US6323062B1Wafer coating method for flip chipsALPHA METALS·Filed 1999·Granted Nov 27, 2001·27 cites·14 claims
- 0937US2001003058A1Flip chip with integrated flux and underfillFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →