Inventor · Nishitokyo, JP

Hideyuki Matsuoka

62Patents
18h-index
62Co-inventors
87Inventor score

Filing activity: Oct 31, 1988 → Dec 7, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7126149B2 Phase change memory and phase change recording medium Electricity 147 Expired
US7078273B2 Semiconductor memory cell and method of forming same Electricity 109 Expired
US6130449A Semiconductor memory device and a method for fabricating the same Electricity 70 Expired
US6560135B2 Magnetic semiconductor memory apparatus and method of manufacturing the same Electricity 66 Expired
US7123535B2 Semiconductor integrated circuit device Physics 65 Expired
US6740921B2 Semiconductor memory cell and method of forming same Electricity 64 Expired
US7489552B2 Semiconductor integrated circuit device Physics 56 Active
US6670642B2 Semiconductor memory device using vertical-channel transistors Electricity 56 Expired
US7071485B2 Semiconductor integrated circuit device Electricity 37 Expired
US6570206B1 Semiconductor device Electricity 36 Expired
US7110284B2 Magnetic nonvolatile memory cell and magnetic random access memory using the same Physics 36 Expired
US7116593B2 Storage device Electricity 34 Expired
US6862235B2 Semiconductor device which is low in power and high in speed and is highly integrated Physics 27 Expired
US7098478B2 Semiconductor memory device using vertical-channel transistors Electricity 26 Expired
US5270232A Process for fabricating field effect transistor Emerging Cross-Sectional Technologies 23 Expired
US6407420B1 Integrated circuit device having line width determined by side wall spacer provided in openings formed in insulating film for connection conductors Electricity 22 Expired
US6376304B1 Semiconductor memory device and a method for fabricating the same Electricity 20 Expired
US7038961B2 Semiconductor device Physics 18 Expired
US6621110B1 Semiconductor intergrated circuit device and a method of manufacture thereof Emerging Cross-Sectional Technologies 18 Expired
US6573586B2 Semiconductor device Physics 18 Expired
US7335907B2 Memory device Physics 16 Expired
US6965533B2 Semiconductor device which is low in power and high in speed and is highly integrated Physics 13 Expired
US7470923B2 Semiconductor integrated circuit device Electricity 12 Expired
US6809364B2 Semiconductor integrated circuit device and a method of manufacture thereof Emerging Cross-Sectional Technologies 12 Expired
US4977435A Semiconductor device with a split conduction channel Electricity 11 Expired

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