Inventor · Irvine, CA, US

Jen-Chang Hsia

26Patents
14h-index
4Co-inventors
74Inventor score

Filing activity: Apr 14, 1977 → Sep 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US4857636A Pasteurizable, freeze-driable hemoglobin-based blood substitute Human Necessities 84 Expired
US4780210A Tangential flow affinity ultrafiltration Chemistry; Metallurgy 46 Expired
US5189146A Pasteurizable, freeze-driable hemoglobin-based blood substitute Human Necessities 31 Expired
US5591710A Compositions and methods utilizing nitroxides to avoid oxygen toxicity, particularly in stabilized, polymerized, conjugated, or encapsulated hemoglobin used as a red cell substitute Emerging Cross-Sectional Technologies 30 Expired
US4235792A Immunological materials Emerging Cross-Sectional Technologies 30 Expired
US5840701A Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules Chemistry; Metallurgy 27 Expired
US5741893A Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules Emerging Cross-Sectional Technologies 21 Expired
US4925574A Purification of hemoglobin and modified hemoglobin by affinity chromatography Human Necessities 21 Expired
US5804561A Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules Chemistry; Metallurgy 20 Expired
US5789376A Transfusions with stabilized hemoglobin covalently bound to a nitroxide or polymers thereof Emerging Cross-Sectional Technologies 19 Expired
US5817632A Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules Chemistry; Metallurgy 18 Expired
US5725839A Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules for ERI or MRI Chemistry; Metallurgy 18 Expired
US5824781A Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules Chemistry; Metallurgy 17 Expired
US4223004A Drug compositions Emerging Cross-Sectional Technologies 14 Expired
US6458758B1 Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules Chemistry; Metallurgy 14 Expired
US5807831A Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules Chemistry; Metallurgy 14 Expired
US4240797A Assay for reserve bilirubin binding capacity Emerging Cross-Sectional Technologies 13 Expired
US5767089A Compositions and methods utilizing nitroxides in combination with biocompatible macromolecules Chemistry; Metallurgy 12 Expired
US6323175A Compositions and methods utilizing nitroxides to avoid oxygen toxicity, particularly in stabilized, polymerized, conjugated, or encapsulated hemoglobin used as a red cell substitute Emerging Cross-Sectional Technologies 12 Expired
US5811005A Apparatus for intravenous administration of solutions of cell-free hemoglobin including a nitroxide bound to a matrix Emerging Cross-Sectional Technologies 11 Expired
US5364932A Pasteurizable, freeze-driable hemoglobin-based blood substitute Human Necessities 5 Expired
US6048967A Compositions and methods utilizing nitroxides to avoid oxygen toxicity, particularly in stabilized, polymerized, conjugated, or encapsulated hemoglobin used as a red cell substitute Emerging Cross-Sectional Technologies 5 Expired
US8273857B2 Compositions and methods of use of neurovascular protective multifunctional polynitroxylated pegylated carboxy hemoglobins for transfusion and critical care medicine Chemistry; Metallurgy 2 Active
US7314633B2 Carboxylate-gated-nitroxide (CGN) compounds and compositions and methods of use thereof Human Necessities 1 Active
US4374857A Method of inhibiting L-tryptophan to serum albumin binding Human Necessities 0 Expired

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