Inventor · Tokyo, JP

Takafumi Betsui

32Patents
4h-index
19Co-inventors
56Inventor score

Filing activity: Feb 24, 2006 → Jul 13, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7745915B2 Semiconductor device Electricity 14 Active
US9991221B2 Semiconductor integrated circuit device Electricity 4 Active
US9123554B2 Semiconductor device Electricity 4 Active
US9558806B1 Electronic device Electricity 4 Active
US9818715B2 Semiconductor integrated circuit device Electricity 3 Active
US8091061B2 Microcomputer having memory interface circuits and memory devices on a module board Emerging Cross-Sectional Technologies 3 Active
US8386992B2 Data processing device Emerging Cross-Sectional Technologies 2 Active
US10043755B2 Electronic device Electricity 2 Active
US9190378B2 Semiconductor chip and semiconductor device Electricity 2 Active
US9990981B2 Synchronous dynamic random access memory (SDRAM) and memory controller device mounted in single system in package (SIP) Electricity 2 Active
US9673142B2 Semiconductor device Electricity 1 Active
US7834455B2 Semiconductor device Emerging Cross-Sectional Technologies 1 Active
US10446531B2 Electronic device and semiconductor device Electricity 1 Active
US9530457B2 Data processing device Emerging Cross-Sectional Technologies 1 Active
US8898613B2 Data processing device Emerging Cross-Sectional Technologies 1 Active
US8101468B2 Method of manufacturing a semiconductor device Emerging Cross-Sectional Technologies 1 Active
US7547968B2 Semiconductor device Emerging Cross-Sectional Technologies 0 Active
US10103100B2 Semiconductor device Electricity 0 Active
US9792959B2 Data processing device Emerging Cross-Sectional Technologies 0 Active
US11658081B2 Semiconductor apparatus and semiconductor device Electricity 0 Active
US12278198B2 Semiconductor device on wiring board having reference potential planes with openings Electricity 0 Active
US9831209B2 Semiconductor device Electricity 0 Active
US10460792B2 Synchronous dynamic random access memory (SDRAM) and memory controller device mounted in single system in package (SIP) Electricity 0 Active
US8694949B2 Data processing device Emerging Cross-Sectional Technologies 0 Active
US12015020B2 Semiconductor device and power management IC Electricity 0 Active

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