Inventor · Johnstown, PA, US

Kenneth L. Shepard

65Patents
14h-index
62Co-inventors
87Inventor score

Filing activity: May 3, 1974 → Jun 28, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7738086B2 Active CMOS biosensor chip for fluorescent-based detection Electricity 128 Active
US9831283B2 Systems and methods for imaging using single photon avalanche diodes Physics 61 Active
US3956374A Aryl-oxo-heptenoic acids Chemistry; Metallurgy 40 Expired
US6453444B1 Method for extraction of inductances in integrated circuits Physics 37 Expired
US7145408B2 Resonant clock distribution for very large scale integrated circuits Physics 35 Expired
US7329968B2 Charge-recycling voltage domains for energy-efficient low-voltage operation of digital CMOS circuits Electricity 25 Expired
US7015765B2 Resonant clock distribution for very large scale integrated circuits Physics 23 Expired
US6788933B2 System, method and apparatus for capturing and processing call processing failures occurring at a digital wireless switch Electricity 22 Expired
US4668697A Elevated intraocular pressure lowering benzo-[b]-thiophene-2-sulfonamide derivatives, compositions, and method of use therefor Chemistry; Metallurgy 21 Expired
US7880551B2 Systems and methods for distributing a clock signal Electricity 20 Active
US7103522B1 Methods for estimating the body voltage of digital partially depleted silicon-on-insulator circuits Physics 17 Expired
US4173646A Tricyclicdicarboximides Chemistry; Metallurgy 16 Expired
US4061763A Tricyclicdicarboximides Chemistry; Metallurgy 16 Expired
US8445893B2 High-performance gate oxides such as for graphene field-effect transistors or carbon nanotubes Electricity 15 Active
US4840963A 2-Sulfamoyl-1H-indole derivatives for the treatment of elevated intraocular pressure Chemistry; Metallurgy 11 Expired
US4486444A (Hydroxybenzoyl)thiophenesulfonamide and acyl derivatives thereof for the topical treatment of elevated intraocular pressure Chemistry; Metallurgy 11 Expired
US4731368A Thienopyridine sulfonamides and their ophthalmological formulation Human Necessities 10 Expired
US4542152A 5-[Phenylsulfonyl(or sulfinyl)]thiophene-2-sulfonamides for the topical treatment of elevated intraocular pressure Human Necessities 10 Expired
US4847289A Thiophene sulfonamide antiglaucoma agents Chemistry; Metallurgy 9 Expired
US4477466A Acyloxy derivatives of [phenylsulfonyl(or sulfinyl)]thiophenesulfonamide for the topical treatment of elevated intraocular pressure Chemistry; Metallurgy 9 Expired
US4439359A Cyclic octapeptide analogs of neurotensin Emerging Cross-Sectional Technologies 9 Expired
US4425269A Metabolically protected analogs of neurotensin Human Necessities 8 Expired
US4232158A 10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imines Emerging Cross-Sectional Technologies 8 Expired
US4544667A 2-Sulfamoylbenzo[b]furan derivatives for the treatment of elevated intraocular pressure Chemistry; Metallurgy 7 Expired
US8735209B2 Graphene device including a PVA layer or formed using a PVA layer Electricity 6 Active

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