Inventor · Berwyn, PA, US

Derk J. Bergsma

38Patents
6h-index
35Co-inventors
65Inventor score

Filing activity: May 26, 1995 → May 29, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US6033872A Polynucleotides encoding a novel human 11cb splice variant Human Necessities 31 Expired
US5942405A Therapeutic and screening methods using C3a receptor and C3a Emerging Cross-Sectional Technologies 18 Expired
US6001963A Ligands of the neuropeptide receptor HFGAN72 Human Necessities 9 Expired
US6071722A Nucleic acids encoding a G-protein coupled 7TM receptor (AXOR-1) Human Necessities 9 Expired
US6008012A Human somatostatin-like receptor Chemistry; Metallurgy 7 Expired
US6159700A Method of finding agonist and antagonist to human and rat GPR14 Human Necessities 7 Expired
US5981223A HDPXU17 encodes a novel 7-transmembrane receptor Physics 6 Expired
US5955308A cDNA clone HEAOD54 that encodes a human 7-transmembrane receptor Human Necessities 6 Expired
US6020157A Polynucleotides encoding HFGAN72X receptor Human Necessities 6 Expired
US5935814A Polynucleotides encoding HFGAN72Y receptor Human Necessities 6 Expired
US6010877A cDNA clone HE8CS41 that encodes a novel 7-transmembrane receptor Human Necessities 5 Expired
US6309854A Polynucleotides encoding ligands of the neuropeptide receptor HFGAN72 Human Necessities 4 Expired
US6114127A Methods of screening for agonists and antagonists of the HDPXU17 receptor Physics 4 Expired
US5824504A Human 7-transmembrane receptor and DNA Human Necessities 4 Expired
US6187544A Methods for rapid cloning for full length cDNAs using a pooling strategy Chemistry; Metallurgy 4 Expired
US5834587A G-protein coupled receptor, HLTEX 11 Chemistry; Metallurgy 3 Expired
US5851798A Nucleic acid encoding human GPR14 receptor Human Necessities 3 Expired
US5910430A Isolated nucleic acid encoding G-protein coupled receptor (HTADX50) Human Necessities 3 Expired
US5858716A H2CAA71 polynucleotides Human Necessities 2 Expired
US5880105A Human galactokinase gene Human Necessities 2 Expired
US6388055B1 Mouse CC-CKR5 receptor polypeptide Human Necessities 2 Expired
US5830649A Human galactokinase gene Chemistry; Metallurgy 2 Expired
US6008050A Human neurotensin receptor type 2 and splice variants thereof Human Necessities 2 Expired
US5912335A G-protein coupled receptor HUVCT36 Chemistry; Metallurgy 2 Expired
US5789223A Human galactokinase gene Human Necessities 2 Expired

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