Inventor · Tokyo, JP

Seiji Narui

54Patents
10h-index
51Co-inventors
81Inventor score

Filing activity: Jan 13, 1997 → Dec 30, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6372554B1 Semiconductor integrated circuit device and method for production of the same Electricity 77 Expired
US8681578B2 Semiconductor device that performs refresh operation Physics 77 Active
US9412432B2 Semiconductor storage device and system provided with same Physics 69 Active
US6150689A Semiconductor integrated circuit device and method for manufacturing the same Emerging Cross-Sectional Technologies 66 Expired
US6201728A Dynamic RAM, semiconductor storage device, and semiconductor integrated circuit device Electricity 36 Expired
US5905685A Dynamic memory Physics 24 Expired
US6411543B1 Dynamic random access memory (RAM), semiconductor storage device, and semiconductor integrated circuit (IC) device Electricity 23 Expired
US6388941B2 Semiconductor device Physics 18 Expired
US6954386B2 Boosted potential generation circuit and control method Physics 15 Expired
US9472253B2 Semiconductor device including spiral data path Electricity 11 Active
US6635918B1 Semiconductor integrated circuit device and method for manufacturing the same Emerging Cross-Sectional Technologies 10 Expired
US10916489B1 Memory core chip having TSVS Electricity 8 Active
US8462560B2 Semiconductor device, method for controlling the same, and semiconductor system Physics 7 Active
US6563750B2 Semiconductor memory including a circuit for selecting redundant memory cells Physics 6 Expired
US8902691B2 Semiconductor device having charge pump circuit and information processing apparatus including the same Physics 4 Active
US10163469B2 System and method for write data bus control in a stacked memory device Physics 4 Active
US8217712B2 Semiconductor device that can adjust substrate voltage Physics 4 Active
US8988952B2 Semiconductor device having ODT function Physics 3 Active
US7875986B2 Semiconductor device Electricity 3 Active
US8248834B2 Semiconductor device having hierarchically structured bit lines and system including the same Physics 3 Active
US10964702B2 Semiconductor device with first-in-first-out circuit Physics 2 Active
US6924525B2 SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE INCLUDING MEMORY CELL SECTION HAVING CAPACITOR OVER BITLINE STRUCTURE AND WITH THE MEMORY AND PERIPHERAL SECTIONS HAVING CONTACT PLUG STRUCTURES CONTAINING A BARRIER FILM AND EFFECTING ELECTRICAL CONTACT WITH MISFETS OF BOTH MEMORY AND PERIPHERAL SECTIONS Emerging Cross-Sectional Technologies 2 Expired
US8885432B2 Semiconductor device that performs refresh operation Physics 2 Active
US9355705B2 Semiconductor device, method for controlling the same, and semiconductor system Physics 1 Active
US10885959B1 Apparatuses and methods for semiconductor devices including clock signal lines Electricity 1 Active

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