Inventor · Cupertino, CA, US

Josefina T. Baker

13Patents
12h-index
13Co-inventors
71Inventor score

Filing activity: Oct 27, 1977 → Jul 8, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US4194038A Poly(ester-carbonates) from dicarboxylic acid chlorides Chemistry; Metallurgy 145 Expired
US4789629A Method and device for collecting and testing for fecal occult blood Emerging Cross-Sectional Technologies 83 Expired
US4486536A Specimen slide for occult blood testing Physics 71 Expired
US4645743A Method and device for collecting and testing for fecal occult blood Emerging Cross-Sectional Technologies 57 Expired
US5106582A Specimen test slide and method of testing for fecal occult blood Physics 47 Expired
US5100619A Device and method for collecting fecal occult blood specimens Emerging Cross-Sectional Technologies 46 Expired
US5316732A Extraction vial Human Necessities 40 Expired
US5391498A Test for fecal occult blood Chemistry; Metallurgy 22 Expired
US4219635A Process for poly (bisphenol A/terephthalate/carbonate) using pyridine reaction medium Chemistry; Metallurgy 21 Expired
US5310680A Test for fecal occult blood Emerging Cross-Sectional Technologies 20 Expired
US4129594A Process for the manufacture of aromatic dicarboxylic acid chlorides Chemistry; Metallurgy 19 Expired
US5337426A Disposable sample collection device Human Necessities 14 Expired
US5412819A Disposable sample collection device Human Necessities 12 Expired

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