Inventor · Novato, CA, US

John A. Shepherd

16Patents
7h-index
18Co-inventors
63Inventor score

Filing activity: Oct 11, 1977 → Mar 22, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6233473A Determining body composition using fan beam dual-energy x-ray absorptiometry Human Necessities 170 Expired
US6282258A Method of assessing bone characteristics using digital 2-dimensional x-ray detector Human Necessities 32 Expired
US5949846A Bone densitometry using x-ray imaging systems Human Necessities 23 Expired
US6654445B2 Device and method for determining proportions of body materials Physics 16 Expired
US6516045B2 Device and method for determining proportions of body materials Physics 15 Expired
US7873198B2 Methods and apparatus for determining proportions of body materials Human Necessities 11 Active
US4374817A Formulation of phosphate rock slurries Chemistry; Metallurgy 11 Expired
US9323878B2 Method of optimizing the design of an electronic device with respect to electromagnetic emissions based on frequency spreading introduced by data post-processing, computer program product for carrying out the method and associated article of manufacture Physics 6 Active
US6781474B2 Apparatus and method for tuning a filter Electricity 4 Expired
US4309641A Line scanning circuit for a television receiver Electricity 2 Expired
US4143306A Horizontal deflection circuit Electricity 1 Expired
US9400861B2 Method of optimizing the design of an electronic device with respect to electromagnetic emissions based on frequency spreading introduced by software, computer program product for carrying out the method and associated article of manufacture Emerging Cross-Sectional Technologies 1 Active
US5606228A Television vertical timebase circuit Electricity 0 Expired
US12226250B2 Multiple modality body composition analysis Physics 0 Active
US9323879B2 Method of optimizing the design of an electronic device with respect to electromagnetic emissions based on frequency spreading introduced by hardware, computer program product for carrying out the method and associated article of manufacture Physics 0 Active
US8175560B2 Method and system for tuning an antenna Electricity 0 Active

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