Inventor · disambiguated record
Stefan Haefner
Also filed as: HAEFNER STEFAN
35 granted patents·20 pending applications·85 citations·filing 2002–2025
96Inventor score
Top patents by PatentIndex Score
55 records- 0190US8735159B2PEF-TS expression unitsZELDER OSKAR·Filed 2008·Granted May 27, 2014·6 cites·7 claims
- 0290US7968699B2Multiple promoters and the use thereof for gene expressionBASF AG·Filed 2008·Granted Jun 28, 2011·12 cites·13 claims
- 0389US8048651B2Methods for the preparation of lysine by fermentation of Corynebacterium glutamicumBASF SE·Filed 2009·Granted Nov 1, 2011·10 cites·13 claims
- 0487US8044191B2P EF-TU expression unitsBASF SE·Filed 2008·Granted Oct 25, 2011·7 cites·22 claims
- 0584US8071365B2Psod expression unitsKROGER BURKHARD·Filed 2008·Granted Dec 6, 2011·7 cites·12 claims
- 0682US8557555B2Synthetic phytase variantsBASF SE·Filed 2012·Granted Oct 15, 2013·6 cites·10 claims
- 0782US8163532B2Microorganisms with a reactivation system for cob(I)alamin-dependent methionine synthaseZELDER OSKAR·Filed 2009·Granted Apr 24, 2012·6 cites·5 claims
- 0881US8673598B2Microbial succinic acid producers and purification of succinic acidSCHRODER HARTWIG·Filed 2010·Granted Mar 18, 2014·5 cites·11 claims
- 0979US7785779B2P EF-TU expression unitsPAIK KWANG IND CO LTD·Filed 2004·Granted Aug 31, 2010·7 cites·12 claims
- 1078US8883466B2Bacterial cells exhibiting formate dehydrogenase activity for the manufacture of succinic acidSCHOLTEN EDZARD·Filed 2009·Granted Nov 11, 2014·3 cites·6 claims
- 1178US8728795B2Pgro expression unitsKröger Burkhard·Filed 2008·Granted May 20, 2014·4 cites·17 claims
- 1276US10993446B2Baking lipase and methods of useBASF SE·Filed 2017·Granted May 4, 2021·2 cites·19 claims
- 1375US8877466B2Bacterial cells having a glyoxylate shunt for the manufacture of succinic acidSCHOLTEN EDZARD·Filed 2009·Granted Nov 4, 2014·2 cites·14 claims
- 1474US8148117B2Microorganism and process for the preparation of L-methionineZELDER OSKAR·Filed 2006·Granted Apr 3, 2012·2 cites·9 claims
- 1573US9023632B2Microbial succinic acid producers and purification of succinic acidBASF SE·Filed 2014·Granted May 5, 2015·1 cites·20 claims
- 1673US8252555B2Nucleic acid encoding a cobalamin-dependent methionine synthase polypeptideZELDER OSKAR·Filed 2007·Granted Aug 28, 2012·2 cites·14 claims
- 1769US7566557B2Gene variants coding for proteins from the metabolic pathway of fine chemicalsPAIK KWANG IND CO LTD·Filed 2004·Granted Jul 28, 2009·2 cites·15 claims
- 1868US10597429B2Method of producing proteins in filamentous fungi with decreased CLR1 activityBASF SE·Filed 2016·Granted Mar 24, 2020·1 cites·8 claims
- 1965US2010062535A1Psod expression unitsPAIK KWANG IND CO LTD·Filed 2009·Application pending·0 cites
- 2064US2025297239A1Amylase enzymesBASF SE·Filed 2025·Application pending·0 cites
- 2163US2014242704A1Pef-ts expression unitsBASF SE·Filed 2014·Application pending·0 cites
- 2260US7892798B2Nucleic acid molecules encoding metabolic regulatory proteins from Corynebacterium glutamicum, useful for increasing the production of methionone by a microorganismEVONIK DEGUSSA GMBH·Filed 2002·Granted Feb 22, 2011·0 cites·56 claims
- 2360US2008274516A1Psod Expression UnitsKROGER BURKHARD·Filed 2004·Application pending·0 cites
- 2458US9388441B1Genetically modified microorganisms capable of producing β-glucans and methods for producing β-glucansBASF SE·Filed 2016·Granted Jul 12, 2016·0 cites·20 claims
- 2557US12351841B2Amylase enzymesBASF SE·Filed 2019·Granted Jul 8, 2025·0 cites·12 claims
- 2657US9932612B2Microbial succinic acid producers and purification of succinic acidBASF SE·Filed 2015·Granted Apr 3, 2018·0 cites·9 claims
- 2757US2007218526A1Method for zymotic production of fine chemicals containing sulphur (metA)BASF AG·Filed 2007·Application pending·0 cites
- 2855US2007269871A1Pef-Ts Expression UnitsBASF AG·Filed 2005·Application pending·0 cites
- 2954US8399214B2Use of dimethyl disulfide for methionine production in microoraganismsZELDER OSKAR·Filed 2006·Granted Mar 19, 2013·0 cites·33 claims
- 3054US2009246836A1Pgro expression unitsPAIK KWANG IND CO LTD·Filed 2004·Application pending·0 cites
- 3153US2011117614A1Production Process for Methionine Using Microorganisms with Reduced Isocitrate Dehydrogenase ActivityEVONIK DEGUSSA GMBH·Filed 2009·Application pending·0 cites
- 3252US9828617B2Genes and processes for the production of clavine-type alkaloidsBASF SE·Filed 2013·Granted Nov 28, 2017·0 cites·3 claims
- 3351US9322041B2Genetically modified microorganisms capable of producing beta-glucans and methods for producing beta-glucansBASF SE·Filed 2013·Granted Apr 26, 2016·0 cites·20 claims
- 3451US8389251B2Method for producing methionine using a microorganism with reduced expression activity of a negative regulator of methionine biosynthesisPOMPEJUS MARKUS·Filed 2011·Granted Mar 5, 2013·0 cites·11 claims
- 3551US2011207183A1Production Process for Fine Chemicals Using Microorganisms with Reduced Isocitrate Dehydrogenase ActivityBASF SE·Filed 2009·Application pending·0 cites
- 3650US2010047881A1Microorganisms with Deregulated Vitamin B12 SystemZELDER OSKAR·Filed 2008·Application pending·0 cites
- 3749US2010003727A1Coryneform Bacteria with Formate-THF-Synthetase and/or Glycine Cleavage ActivityZELDER OSKAR·Filed 2008·Application pending·0 cites
- 3849US2012295315A1Nucleic acid encoding a cobalamin-dependent methionine synthase polypeptideZELDER OSKAR·Filed 2012·Application pending·0 cites
- 3948US2016304917A1Modified Microorganism for Improved Production of AlanineBASF SE·Filed 2014·Application pending·0 cites
- 4047US11279955B2Process for producing an organic compoundBASF SE·Filed 2018·Granted Mar 22, 2022·0 cites·19 claims
- 4147US2016298160A1Over-expression of a fatty acid transporter gene and of genes encoding enzymes of the beta-oxidation pathway for higher production of riboflavin via fermentation of eremotheciumBASF SE·Filed 2014·Application pending·0 cites
- 4246US2009298136A1Methionine producing recombinant microorganismsBASF AG·Filed 2006·Application pending·0 cites
- 4345US9127260B2Synthetic phytase variantsHAEFNER STEFAN·Filed 2012·Granted Sep 8, 2015·0 cites·18 claims
- 4444US2012201923A1Synthetic phytase variantsHAEFNER STEFAN·Filed 2010·Application pending·0 cites
- 4544US2009191610A1Microorganisms With Increased Efficiency for Methionine SynthesisEVONIK DEGUSSA GMBH·Filed 2006·Application pending·0 cites
- 4643US2015152453A1Genetically modified microorganisms capable of producing beta-glucans and methods for producing beta-glucansBASF SE·Filed 2013·Application pending·0 cites
- 4741US2009053778A1Microorganisms for producing sulfur-containing compoundsBASF AG·Filed 2005·Application pending·0 cites
- 4840US10301588B2Method of removing DNA from biotechnological productsBASF SE·Filed 2015·Granted May 28, 2019·0 cites·12 claims
- 4940US9850506B2Modified microorganism for improved production of fine chemicals on sucroseBASF SE·Filed 2015·Granted Dec 26, 2017·0 cites·7 claims
- 5038US10273485B2Modified microorganism with improved biomass separation behaviourBASF SE·Filed 2015·Granted Apr 30, 2019·0 cites·12 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →