Inventor · Poway, CA, US

David C. Litzinger

17Patents

8h-index

34Co-inventors

68Inventor score

Filing activity: Jan 28, 2005 → Jan 14, 2022

Most-cited inventions

Patent	Title	Area	Cited by	Status
US7638299B2	Biosynthetic polypeptides utilizing non-naturally encoded amino acids	Chemistry; Metallurgy	47	Expired
US7816320B2	Formulations of human growth hormone comprising a non-naturally encoded amino acid at position 35	Human Necessities	30	Active
US8778880B2	Human growth hormone modified at position 35	Physics	21	Active
US7939496B2	Modified human growth horomone polypeptides and their uses	Human Necessities	19	Active
US8093356B2	Pegylated human interferon polypeptides	Human Necessities	19	Active
US8178494B2	Modified human growth hormone formulations with an increased serum half-life	Human Necessities	18	Active
US8163695B2	Formulations of human growth hormone comprising a non-naturally encoded amino acid	Human Necessities	17	Active
US8143216B2	Modified human growth hormone	Human Necessities	17	Active
US8906676B2	Modified human four helical bundle polypeptides and their uses	Physics	3	Active
US9382304B2	Engineered polypeptides having enhanced duration of action with reduced immunogenicity	Chemistry; Metallurgy	3	Active
US8907064B2	Modified human four helical bundle polypeptides and their uses	Physics	3	Active
US9260472B2	Modified human four helical bundle polypeptides and their uses	Physics	2	Active
US9593154B2	Engineered polypeptides having enhanced duration of action	Chemistry; Metallurgy	2	Active
US9879063B2	Engineered polypeptides having enhanced duration of action and reduced immunogenicity	Chemistry; Metallurgy	1	Active
US11535659B2	Engineered polypeptides having enhanced duration of action	Chemistry; Metallurgy	0	Active
US11596648B2	Emollient topical disinfectants	Emerging Cross-Sectional Technologies	0	Active
US11446307B2	Crystalline forms of a deoxycytidine kinase inhibitor and uses thereof	Chemistry; Metallurgy	0	Active

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