Inventor · disambiguated record
Leonid Romanovich Ptitsyn
Also filed as: PTITSYN LEONID R · PTITSYN LEONID ROMANOVICH
8 granted patents·6 pending applications·40 citations·filing 2001–2015
83Inventor score
Top patents by PatentIndex Score
14 records- 0189US6790647B2Mutant N-acetylglutamate synthase and method for L-arginine productionAJINOMOTO KK·Filed 2001·Granted Sep 14, 2004·23 cites·12 claims
- 0278US8679798B2Method for producing an L-amino acid using a bacterium of the Enterobacteriaceae familyYAMPOLSKAYA TATYANA ABRAMOVNA·Filed 2008·Granted Mar 25, 2014·5 cites·4 claims
- 0376US7169586B2Mutant N-acetylglutamate synthase and method for L-arginine productionAJINOMOTO KK·Filed 2004·Granted Jan 30, 2007·5 cites·13 claims
- 0474US6991924B2Mutant carbamoylphosphate synthetase and method for producing compounds derived from carbamoylphosphateAJINOMOTO KK·Filed 2002·Granted Jan 31, 2006·4 cites·12 claims
- 0570US9284584B2Method for producing an L-amino acid using a bacterium of the family Enterobacteriaceae having enhanced expression of the flagella formation and motility cascade genesAJINOMOTO KK·Filed 2014·Granted Mar 15, 2016·1 cites·10 claims
- 0665US6841365B2L-arginine producing Escherichia coli and method of producing L-arginineAJINOMOTO KK·Filed 2001·Granted Jan 11, 2005·2 cites·8 claims
- 0756US2009203090A1Method for producing an l-amino acid using a bacterium of the enterobacteriaceae familyPTITSYN LEONID ROMANOVICH·Filed 2009·Application pending·0 cites
- 0854US2014147909A1Method for Producing an L-Amino Acid Using a Bacterium of the Enterobacteriaceae FamilyAJINOMOTO KK·Filed 2014·Application pending·0 cites
- 0953US7211419B2Mutant carbamoylphosphate synthetase and method for producing compounds derived from carbamoylphosphateAJINOMOTO KK·Filed 2005·Granted May 1, 2007·0 cites·4 claims
- 1053US7052884B2L-arginine producing Escherichia coli and method of producing L-arginineAJINOMOTO KK·Filed 2004·Granted May 30, 2006·0 cites·6 claims
- 1147US2005069994A1Method for producing L-amino acid using bacterium of Enterobacteriaceae family, having nir operon inactivatedFiled 2004·Application pending·0 cites
- 1247US2015203881A1Method for Producing an L-Amino Acid Using a Bacterium of the Enterobacteriaceae FamilyAJINOMOTO KK·Filed 2015·Application pending·0 cites
- 1342US2007212764A1Method for producing l-amino acids using bacterium of the enterobacteriaceae familyPTITSYN LEONID R·Filed 2006·Application pending·0 cites
- 1438US2005181488A1Method for producing L-threonine using bacteria belonging to the genus EscherichiaFiled 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →