Inventor · Londonderry, NH, US

Charles E. Chase

36Patents
17h-index
27Co-inventors
81Inventor score

Filing activity: Mar 22, 1976 → Mar 1, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7982060B2 Intermediates for the preparation of analogs of Halichondrin B Emerging Cross-Sectional Technologies 62 Active
US8093410B2 Intermediates and methods for the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 58 Active
US8350067B2 Compounds useful in the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 56 Active
US8203010B2 Compounds useful in the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 52 Active
US8445701B2 Intermediates for the preparation of analogs of halichondrin B Chemistry; Metallurgy 49 Active
US8618313B2 Intermediates for the preparation of analogs of Halichondrin B Emerging Cross-Sectional Technologies 46 Active
US8927597B2 Compounds useful in the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 43 Active
US8987479B2 Intermediates and methods for the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 43 Active
USRE45324E1 Intermediates for the preparation of analogs of halichondrin B General 41 Active
US8884031B2 Intermediates for the preparation of analogs of halichondrin B Emerging Cross-Sectional Technologies 41 Active
US9303050B2 Intermediates for the preparation of analogs of Halichondrin B Emerging Cross-Sectional Technologies 36 Active
US9382262B2 Compounds useful in the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 36 Active
US4346742A Method for diluting a liquid test sample and computer controlld diluting apparatus Physics 35 Expired
US5791827A Concrete retaining wall built from stacked concrete blocks of different configurations Fixed Constructions 22 Expired
US4871984A Surface acoustic wave oscillator Electricity 19 Expired
US9783549B2 Macrocyclization reactions and intermediates useful in the synthesis of analogs of halichondrin B Chemistry; Metallurgy 17 Active
US9604993B2 Intermediates and methods for the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 17 Active
US9802953B2 Intermediates and methods for the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 16 Active
US9856276B2 Compounds useful in the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 16 Active
US4639697A Temperature compensation circuitry Electricity 15 Expired
USRE46965E1 Intermediates for the preparation of analogs of Halichondrin B General 13 Active
US10214539B2 Intermediates and methods for the synthesis of halichondrin B analogs Emerging Cross-Sectional Technologies 11 Active
US4091747A Waste incinerator system Emerging Cross-Sectional Technologies 11 Expired
US10221189B2 Macrocyclization reactions and intermediates useful in the synthesis of analogs of halichondrin B Chemistry; Metallurgy 11 Active
US10308661B2 Macrocyclization reactions and intermediates and other fragments useful in the synthesis of halichondrin macrolides Chemistry; Metallurgy 10 Active

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