Inventor · Mercer Island, WA, US

David Leung

29Patents
11h-index
31Co-inventors
75Inventor score

Filing activity: Nov 1, 1982 → Jan 31, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5223408A Method for making variant secreted proteins with altered properties Chemistry; Metallurgy 203 Expired
US5332671A Production of vascular endothelial cell growth factor and DNA encoding same Human Necessities 174 Expired
US4775622A Expression, processing and secretion of heterologous protein by yeast Emerging Cross-Sectional Technologies 156 Expired
US5736135A Method for making variant secreted proteins with altered properties Chemistry; Metallurgy 75 Expired
US5807861A Amine substituted xanthinyl compounds Chemistry; Metallurgy 73 Expired
US5057417A Compositions and methods for the synthesis of growth hormone receptor and growth hormone binding protein Human Necessities 73 Expired
US7052891B2 Human lysophoshatidic acid acyltransferase gamma-1 polypeptide Chemistry; Metallurgy 52 Expired
US8129348B2 Conjugates of biologically active proteins having a modified in vivo half-life Emerging Cross-Sectional Technologies 49 Active
US4857637A Methods and compositions for immunologically modulating growth hormone receptor activity Emerging Cross-Sectional Technologies 45 Expired
US5688763A Compositions and methods for the synthesis of growth hormone receptor and growth hormone binding protein Human Necessities 22 Expired
US6171824A Hybrid cytokines Chemistry; Metallurgy 14 Expired
US5756511A Method for treating symptoms of a neurodegenerative condition Human Necessities 8 Expired
US7135314B1 Human phosphatidic acid phosphatase Chemistry; Metallurgy 6 Expired
US5859222A Human phosphatidylcholine phospholipase D Chemistry; Metallurgy 5 Expired
US5985926A Method for inhibiting intracellular viral replication Emerging Cross-Sectional Technologies 4 Expired
US6503700B1 Mammalian CDP-diacylglycerol synthase Chemistry; Metallurgy 4 Expired
US6300487A Mammalian lysophosphatidic acid acyltransferase Chemistry; Metallurgy 2 Expired
US5952480A Mammalian CDP-diacylglycerol synthase Chemistry; Metallurgy 1 Expired
US7064125B2 LPAAT-β inhibitors and uses thereof Chemistry; Metallurgy 1 Expired
US7608620B2 LPAAT-β inhibitors and uses thereof Chemistry; Metallurgy 0 Active
US6274363A Phosphatidylcholine phospholipase D Chemistry; Metallurgy 0 Expired
US6670143B2 Method of screening compounds that inhibit lysophosphatidic acid acyltransferase Chemistry; Metallurgy 0 Expired
US6060263A Mammalian lysophosphatidic acid acyltransferase Chemistry; Metallurgy 0 Expired
US6200769A Mammalian CDP-diacylglycerol synthase Chemistry; Metallurgy 0 Expired
US7045327B2 Human lysophosphatidic acid acyltransferase gamma-2 polypeptide Chemistry; Metallurgy 0 Expired

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