Inventor · Ibaraki, JP

Ryuji Kohno

86Patents
21h-index
109Co-inventors
91Inventor score

Filing activity: Jan 2, 1991 → Jan 19, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5608265A Encapsulated semiconductor device package having holes for electrically conductive material Emerging Cross-Sectional Technologies 422 Expired
US6823181B1 Universal platform for software defined radio Electricity 148 Expired
US5724041A Spread spectrum radar device using pseudorandom noise signal for detection of an object Physics 124 Expired
US6522898B1 Radio communication system Electricity 100 Expired
US5959571A Radar device Physics 99 Expired
US6138636A Apparatus for controlling multi-cylinder internal combustion engine with partial cylinder switching-off mechanism Emerging Cross-Sectional Technologies 82 Expired
US6768337B2 Integrated circuit, method of circuit configuration and program thereof Electricity 78 Expired
US5347429A Plastic-molded-type semiconductor device Electricity 71 Expired
US5159434A Semiconductor device having a particular chip pad structure Electricity 61 Expired
US5569960A Electronic component, electronic component assembly and electronic component unit Emerging Cross-Sectional Technologies 57 Expired
US5357139A Plastic encapsulated semiconductor device and lead frame Electricity 54 Expired
US5539250A Plastic-molded-type semiconductor device Electricity 43 Expired
US7123207B2 Ultra wideband bow-tie printed antenna Electricity 43 Expired
US6763062B1 Radio communication system Electricity 41 Expired
US6696849B2 Fabrication method of semiconductor integrated circuit device and its testing apparatus Physics 41 Expired
US8355748B2 Multi-mode control station, radio communication system, radio station, and radio communication control method Electricity 26 Active
US8272367B2 Control system for internal combustion engine Mechanical Engineering; Lighting; Heating 25 Active
US6728294B1 Radio communication system Electricity 24 Expired
US5296737A Semiconductor device with a plurality of face to face chips Electricity 23 Expired
US6880534B2 Evaporative fuel processing system Mechanical Engineering; Lighting; Heating 23 Expired
US5293068A Semiconductor device Electricity 22 Expired
US5093839A Frequency diversity receiving system based on cancellation of C/A code in GPS Electricity 18 Expired
US7193576B2 Ultra wideband bow-tie slot antenna Electricity 17 Expired
US6358762B1 Manufacture method for semiconductor inspection apparatus Electricity 17 Expired
US6507204B1 Semiconductor testing equipment with probe formed on a cantilever of a substrate Physics 16 Expired

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