Inventor · Yokohama, JP

Nobuo Shiga

67Patents
12h-index
40Co-inventors
84Inventor score

Filing activity: Jul 2, 1987 → Aug 29, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5742480A Optical module circuit board having flexible structure Emerging Cross-Sectional Technologies 89 Expired
US5723904A Packaged semiconductor device suitable to be mounted and connected to microstrip line structure board Electricity 80 Expired
US5381157A Monolithic microwave integrated circuit receiving device having a space between antenna element and substrate Electricity 75 Expired
US5596665A Optical module having structure for defining fixing position of sleeve Physics 56 Expired
US5376942A Receiving device with separate substrate surface Electricity 33 Expired
US5240546A Apparatus for peeling semiconductor substrate Emerging Cross-Sectional Technologies 32 Expired
US5425167A Method of making a transformer for monolithic microwave integrated circuit Emerging Cross-Sectional Technologies 30 Expired
US5396101A Inductance element Electricity 27 Expired
US5245505A Capacitor element Emerging Cross-Sectional Technologies 23 Expired
US4791386A Digital phase-locked loop with random walk filter Electricity 21 Expired
US5602501A Mixer circuit using a dual gate field effect transistor Electricity 13 Expired
US5248947A Microwave oscillator having microstrip antenna for test purposes Electricity 13 Expired
US4955683A Apparatus and a method for coupling an optically operative device with an optical fiber Physics 12 Expired
US5389807A Field effect transistor Electricity 11 Expired
US5493136A Field effect transistor and method of manufacturing the same Electricity 10 Expired
US5172074A Low noise multi-stage type amplifier Electricity 10 Expired
USD396210S Optical receiver/transmitter module General 9 Expired
US5300897A Amplifier protection circuit Electricity 9 Expired
US5444399A Mixer circuit Electricity 9 Expired
US5652425A Photoelectric conversion module with noise compensation Emerging Cross-Sectional Technologies 9 Expired
US4946246A Apparatus for manufacturing an optical transmission module Physics 8 Expired
US5164581A Concentric photoelectric light-receiving element Electricity 8 Expired
US5396132A MESFET mixer circuit having a pulse doped structure Electricity 7 Expired
US5227738A Multistage amplifier Electricity 7 Expired
US6273967A Low boron amorphous alloy and process for producing same Performing Operations; Transporting 7 Expired

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