Inventor · Tokyo, JP

Yuki Ishii

69Patents
13h-index
83Co-inventors
87Inventor score

Filing activity: Oct 5, 1998 → Apr 12, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD791046S1 Wheel for automobile General 55 Active
US6172537A Semiconductor device Electricity 49 Expired
US6605963B2 Semiconductor integrated circuit and method of switching source potential of transistor in semiconductor integrated circuit Electricity 41 Expired
USD804391S1 Wheel for automobile General 40 Active
US6229363A Semiconductor device Electricity 40 Expired
US6628564B1 Semiconductor memory device capable of driving non-selected word lines to first and second potentials Physics 31 Expired
US6115316A Semiconductor memory device with overdriven sense amplifier and stabilized power-supply circuit of source follower type Physics 30 Expired
USD804359S1 Automobile and/or replica thereof General 20 Active
US6201378A Semiconductor integrated circuit Physics 20 Expired
USD815997S1 Rear bumper for automobiles General 18 Active
USD821933S1 Grille for automobiles General 18 Active
USD784857S1 Automobile General 17 Active
US6198683A Memory device Physics 13 Expired
US6072749A Memory device preventing a slow operation through a mask signal Physics 13 Expired
US6262930A Semiconductor memory device with overdriven sense amplifier and stabilized power-supply circuit of source follower type Physics 12 Expired
USD1044623S1 Rear bumper for an automobile General 11 Active
USD830247S1 Rear garnish for automobile General 9 Active
US7079443B2 Semiconductor device Physics 8 Expired
US6147919A Semiconductor memory employing direct-type sense amplifiers capable of realizing high-speed access Physics 8 Expired
USD950653S1 Automobile, toy replica and/or other replicas General 7 Active
USD811285S1 Rear bumper for automobiles General 7 Active
USD794508S1 Compact passenger automobile General 6 Active
USD1044624S1 Front bumper for an automobile General 5 Active
US6115284A Memory device with faster write operation Physics 5 Expired
US7281155B1 Semiconductor memory device and method for executing shift redundancy operation Physics 5 Expired

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