Inventor · disambiguated record
Irvin Chen
Also filed as: CHEN IRVIN · CHEN IRVIN S SY · CHEN IRVIN S Y
13 granted patents·8 pending applications·529 citations·filing 1994–2015
94Inventor score
Top patents by PatentIndex Score
21 records- 0198US8177909B2Methods and compositions using calcium carbonateCONSTANTZ BRENT R·Filed 2011·Granted May 15, 2012·68 cites·13 claims
- 0298US7922809B1Methods and compositions using calcium carbonateCALERA CORP·Filed 2010·Granted Apr 12, 2011·128 cites·17 claims
- 0397US8114214B2Methods and compositions using calcium carbonateCONSTANTZ BRENT R·Filed 2010·Granted Feb 14, 2012·119 cites·11 claims
- 0496US9061940B2Concrete compositions and methodsCALERA CORP·Filed 2012·Granted Jun 23, 2015·41 cites·23 claims
- 0595US9902652B2Methods and systems for utilizing carbide lime or slagCALERA CORP·Filed 2015·Granted Feb 27, 2018·22 cites·21 claims
- 0695US8932400B2Methods and compositions using calcium carbonateCALERA CORP·Filed 2014·Granted Jan 13, 2015·22 cites·13 claims
- 0795US8906156B2Cement and concrete with reinforced materialCONSTANTZ BRENT R·Filed 2012·Granted Dec 9, 2014·15 cites·11 claims
- 0894US9056790B2Methods and compositions using calcium carbonateCALERA CORP·Filed 2014·Granted Jun 16, 2015·7 cites·12 claims
- 0994US8999057B2Cement and concrete with calcium aluminatesCALERA CORP·Filed 2012·Granted Apr 7, 2015·18 cites·25 claims
- 1091US8869477B2Formed building materialsHA ERIC·Filed 2011·Granted Oct 28, 2014·27 cites·25 claims
- 1188US9139472B2Methods and compositions using calcium carbonate and stabilizerCALERA CORP·Filed 2014·Granted Sep 22, 2015·5 cites·15 claims
- 1283US8936773B2Methods and compositions using calcium carbonate and stabilizerFERNANDEZ MIGUEL·Filed 2012·Granted Jan 20, 2015·5 cites·24 claims
- 1372US6406841B1Methods for the detection of HTLV-II antibodies employing novel HTLV-II NRA envelope peptidesABBOTT LAB·Filed 1994·Granted Jun 18, 2002·52 cites·23 claims
- 1463US2015307401A1Methods and compositions using calcium carbonateCALERA CORP·Filed 2015·Application pending·0 cites
- 1558US2012145047A1Methods and compositions using calcium carbonateCONSTANTZ BRENT R·Filed 2012·Application pending·0 cites
- 1657US2015031799A1Cement and concrete with reinforced materialCALERA CORP·Filed 2014·Application pending·0 cites
- 1757US2015353422A1Methods and compositions using calcium carbonate and stabilizerCALERA CORP·Filed 2015·Application pending·0 cites
- 1855US2015000558A1Formed building materialsCALERA CORP·Filed 2014·Application pending·0 cites
- 1943US2013256939A1Methods and systems for utilizing carbide limeCALERA CORP·Filed 2013·Application pending·0 cites
- 2035US2016355436A1Methods and compositions using water repellantsCALERA CORP·Filed 2015·Application pending·0 cites
- 2118US2001053517A1Determining nucleic acid sequences in a biological sampleFiled 1999·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Irvin 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 →