Inventor · Murrysville, PA, US

John D. Adam

27Patents
11h-index
35Co-inventors
75Inventor score

Filing activity: Sep 11, 1974 → Sep 14, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5233259A Lateral field FBAR Electricity 102 Expired
US7714386B2 Carbon nanotube field effect transistor Electricity 51 Active
US6094588A Rapidly tunable, high-temperature superconductor, microwave filter apparatus and method and radar receiver employing such filter in a simplified configuration with full dynamic range Emerging Cross-Sectional Technologies 35 Expired
US5023573A Compact frequency selective limiter configuration Electricity 33 Expired
US4283692A Magnetostatic wave signal-to-noise-enhancer Electricity 26 Expired
US4675682A Magnetostatic delay line with improved delay linearity Electricity 17 Expired
US4199737A Magnetostatic wave device Electricity 17 Expired
US4845439A Frequency selective limiting device Electricity 16 Expired
US4554519A Magnetostatic wave delay line Electricity 14 Expired
US5774025A Planar phase shifters using low coercive force and fast switching, multilayerable ferrite Chemistry; Metallurgy 13 Expired
US7579618B2 Carbon nanotube resonator transistor and method of making same Emerging Cross-Sectional Technologies 12 Expired
US4980657A Coplanar waveguide frequency selective limiter Electricity 10 Expired
US7157990B1 Radio frequency device and method using a carbon nanotube array Emerging Cross-Sectional Technologies 9 Expired
US4395686A Attenuation of higher order width modes in magnetostatic wave devices Electricity 8 Expired
US6998929B1 Low threshold power frequency selective limiter for GPS Electricity 7 Expired
US4785269A Magnetically tuned high overtone bulk acoustic resonator Electricity 7 Expired
US3935550A Group delay equaliser Electricity 7 Expired
US7557672B1 Frequency selective limiting with resonators Electricity 5 Active
US8548415B2 Carbon nanotube devices and method of fabricating the same Physics 4 Active
US4944857A Monolithic frequency selective limiter fabrication Electricity 3 Expired
US7359694B2 Carbon nanotube devices and method of fabricating the same Electricity 3 Active
US5017896A Mode trapped magnetostatic wave (MSW) filters and channelizer formed therefrom Electricity 2 Expired
US9154107B2 Lateral over-moded bulk acoustic resonators Emerging Cross-Sectional Technologies 2 Active
US5185588A Frequency selective limiter with flat limiting response Electricity 2 Expired
US4400669A Magnetostatic wave delay line having improved group delay linearity Electricity 2 Expired

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