Inventor · Yokohama, JP

Ken Naganuma

15Patents
5h-index
18Co-inventors
59Inventor score

Filing activity: Aug 24, 2010 → May 8, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10489604B2 Searchable encryption processing system and searchable encryption processing method Electricity 29 Active
US9135820B2 Communication system, vehicle-mounted terminal, roadside device Electricity 10 Active
US9432197B2 Wireless communications device and authentication processing method Electricity 7 Active
US9275250B2 Searchable encryption processing system Physics 6 Active
US8819418B2 Communication system, vehicle-mounted terminal, roadside device Electricity 5 Active
US9276734B2 Confidential computation system, confidential computation method, and confidential computation program Electricity 3 Active
US8165601B2 Positional information system Electricity 2 Active
US11018876B2 Signature verification system, signature verification method, and storage medium Electricity 2 Active
US9601016B2 Communication system, vehicle-mounted terminal, roadside device Electricity 1 Active
US11295635B2 Data processing system and data processing method Electricity 0 Active
US11971998B2 Data comparison device, data comparison system, and data comparison method Electricity 0 Active
US12386727B2 Method and apparatus for bug bounty system for blockchain Physics 0 Active
US11120143B2 Data analysis server, data analysis system, and data analysis method Electricity 0 Active
US11184163B2 Value comparison server, value comparison encryption system, and value comparison method Electricity 0 Active
US12321470B2 Data management system, data management method, and non-transitory computer readable medium Electricity 0 Active

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