Inventor · Tokyo, JP

Satoru Akiyama

66Patents
10h-index
72Co-inventors
81Inventor score

Filing activity: Aug 20, 2001 → Aug 2, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7603592B2 Semiconductor device having a sense amplifier array with adjacent ECC Physics 32 Active
US9100019B2 Semiconductor driver circuit and power conversion device Electricity 26 Active
US6487135B2 Semiconductor device Physics 26 Expired
US7574648B2 Semiconductor device Physics 25 Active
US7408218B2 Semiconductor device having plural dram memory cells and a logic circuit Electricity 24 Expired
US7224629B2 Memory device having high speed sense amplifier comprising pull-up circuit and pull-down circuits with different drivability for each Electricity 14 Expired
US6848035B2 Semiconductor device with multi-bank DRAM and cache memory Physics 14 Expired
US6671210B2 Three-transistor pipelined dynamic random access memory Physics 12 Expired
US7492655B2 Memory device having high speed sense amplifier comprising pull-up circuit and pull-down circuits with drivability for each Electricity 11 Active
US7304910B1 Semiconductor memory device with sub-amplifiers having a variable current source Physics 11 Active
US7489588B2 Semiconductor memory device having a main amplifier equipped with a current control circuit in a burst read operation Physics 10 Active
US8199596B2 Semiconductor memory device having a plurality of sense amplifier circuits Electricity 10 Active
US7843751B2 Semiconductor memory device comprising sense amplifier having P-type sense amplifier and N-type sense amplifiers with different threshold voltages Electricity 9 Active
US9764640B2 Travel control apparatus for vehicle Performing Operations; Transporting 8 Active
US9637107B2 Travel control apparatus for vehicle Performing Operations; Transporting 7 Active
US7683419B2 Semiconductor device having plural DRAM memory cells and a logic circuit and method for manufacturing the same Electricity 6 Active
US9048119B2 Semiconductor device with normally off and normally on transistors Electricity 6 Active
US7659769B2 Semiconductor device Electricity 6 Active
US8106441B2 Semiconductor device having plural DRAM memory cells and a logic circuit and method for manufacturing the same Electricity 6 Active
US7193884B2 Semiconductor memory device Physics 5 Expired
US7016246B2 Three-transistor refresh-free pipelined dynamic random access memory Physics 5 Expired
US7903492B2 Semiconductor device Electricity 5 Active
US7876627B2 Semiconductor memory device having a sense amplifier circuit with decreased offset Electricity 5 Active
US9776641B2 Travel control apparatus for vehicle Performing Operations; Transporting 4 Active
US7804118B2 Semiconductor device having plural DRAM memory cells and a logic circuit and method for manufacturing the same Electricity 4 Active

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