Inventor · Heusden, BE

Jan Leemans

28Patents
14h-index
17Co-inventors
78Inventor score

Filing activity: May 17, 1990 → Sep 3, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5561236A Genetically engineered plant cells and plants exhibiting resistance to glutamine synthetase inhibitors, DNA fragments and recombinants for use in the production of said cells and plants Emerging Cross-Sectional Technologies 241 Expired
US7112665B1 Genetically engineered plant cells and plants exhibiting resistance to glutamine synthetase inhibitors, DNA fragments and recombinants for use in the production of said cells and plants Emerging Cross-Sectional Technologies 167 Expired
US5646024A Genetically engineered plant cells and plants exhibiting resistance to glutamine synthetase inhibitors, DNA fragments and recombinants for use in the production of said cells and plants Emerging Cross-Sectional Technologies 135 Expired
US5648477A Genetically engineered plant cells and plants exhibiting resistance to glutamine synthetase inhibitors, DNA fragments and recombinants for use in the production of said cells and plants Emerging Cross-Sectional Technologies 121 Expired
US5254799A Transformation vectors allowing expression of Bacillus thuringiensis endotoxins in plants Emerging Cross-Sectional Technologies 67 Expired
US5689041A Plants modified with barstar for fertility restoration Emerging Cross-Sectional Technologies 51 Expired
US6008437A Use of anthocyanin genes to maintain male sterile plants Chemistry; Metallurgy 36 Expired
US5750867A Maintenance of male-sterile plants Emerging Cross-Sectional Technologies 34 Expired
US5880331A Use of anthocyanin genes to maintain male sterile plants Emerging Cross-Sectional Technologies 33 Expired
US5623067A Seed-specific promoter region Chemistry; Metallurgy 32 Expired
US5977433A Maintenance of male-sterile plants Emerging Cross-Sectional Technologies 29 Expired
US5545565A Transformation vectors allowing expression of foreign polypeptide endoxins from Bacillus thuringiensis in plants Emerging Cross-Sectional Technologies 27 Expired
US5487991A Process for the production of biologically active peptide via the expression of modified storage seed protein genes in transgenic plants Chemistry; Metallurgy 16 Expired
US6046382A Plants with modified flowers Chemistry; Metallurgy 15 Expired
US5723763A Plants with modified flowers Emerging Cross-Sectional Technologies 12 Expired
US6372967B1 Plants with modified stamen cells Chemistry; Metallurgy 11 Expired
US5792929A Plants with modified flowers Emerging Cross-Sectional Technologies 11 Expired
USRE44962E1 Genetically engineered plant cells and plants exhibiting resistance to glutamine synthetase inhibitors, DNA fragments and recombinants for use in the production of said cells and plants General 10 Active
US5317096A Transformation vectors allowing expression of foreign polypeptide endotoxins from Bacillus thuringiensis in plants Emerging Cross-Sectional Technologies 10 Expired
US5652354A Stamen-selective promoters Chemistry; Metallurgy 7 Expired
US6627799B1 Plants with modified stamen cells Chemistry; Metallurgy 6 Expired
US5760181A Endotoxins Emerging Cross-Sectional Technologies 6 Expired
US5843898A Transformation vectors allowing expression of foreign polypeptide endotoxins in plants Emerging Cross-Sectional Technologies 4 Expired
US5767372A Transformation vectors allowing expression of foreign polypeptide endotoxins from Bacillus thuringiensis in plants Emerging Cross-Sectional Technologies 4 Expired
US6107546A Transformation vectors allowing expression of truncated BT2 endotoxins in plants Emerging Cross-Sectional Technologies 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.