Inventor · Hamamatsu, JP

Akira Takeshima

18Patents
9h-index
22Co-inventors
68Inventor score

Filing activity: Dec 1, 1983 → Jan 25, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5062491A Apparatus for controlling nut runner Performing Operations; Transporting 1,016 Expired
US5534992A Optical measuring apparatus Physics 60 Expired
US4908926A Method of and apparatus for controlling nut runner Emerging Cross-Sectional Technologies 55 Expired
US5229931A Nut runner control system and method of monitoring nut runners Performing Operations; Transporting 34 Expired
US5614708A Optical feedback photodetection apparatus Electricity 29 Expired
US5591962A Synchronous signal detection apparatus with a photoconductive photodetector Electricity 28 Expired
US5548124A Decay characteristic measuring apparatus Physics 23 Expired
US4645918A Instruments for measuring light pulses clocked at high repetition rate and electron tube devices therefor Physics 19 Expired
US4827317A Time interval measuring device Physics 11 Expired
US4694154A Instruments for measuring light pulses clocked at high repetition rate and electron tube devices therefor Physics 8 Expired
US4705397A Laser pulse train jitter measuring device Physics 6 Expired
US5160011A Working line Performing Operations; Transporting 6 Expired
US5666062A Voltage measuring using electro-optic material's change in refractive index Physics 5 Expired
US5044744A Method and apparatus for distance measurement using electromagnetic waves Physics 4 Expired
US5535044A Optical frequency mixing apparatus Electricity 3 Expired
US5631555A Voltage measurement system Physics 3 Expired
US5495100A Phase difference detecting method, circuit and apparatus Physics 3 Expired
US4914359A Deflecting voltage generating circuit Electricity 2 Expired

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