Inventor · Tokyo, JP

Hiroshi Kakii

12Patents
5h-index
7Co-inventors
55Inventor score

Filing activity: Sep 29, 1999 → Apr 3, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US7584351B2 Method of transferring digital certificate,apparatus for transferring digital certificate, and system, program, and recording medium for transferring digital certificate Electricity 17 Active
US7546455B2 Digital certificate transferring method, digital certificate transferring apparatus, digital certificate transferring system, program and recording medium Electricity 6 Active
US7222134B1 Filing system which provides increased availability of image data stored therein Emerging Cross-Sectional Technologies 6 Expired
US7583848B2 Scrambling of image portions via color component interchange Electricity 5 Active
US7634654B2 Method of nullifying digital certificate, apparatus for nullifying digital certificate, and system, program, and recoring medium for nullifying digital certificate Electricity 5 Active
US7809945B2 Examination apparatus, communication system, examination method, computer-executable program product, and computer-readable recording medium Electricity 3 Active
US9330403B2 Delivery control apparatus, information delivery system, and information delivery method Electricity 2 Active
US10484362B2 Information processing apparatus, access control method, and recording medium storing access control program Electricity 1 Active
US10114959B2 Information processing apparatus, information processing method, and information processing system Physics 0 Active
US10162578B2 Information distribution system, information distribution apparatus, electronic apparatus and information distribution method Electricity 0 Active
US9940080B2 Information apparatus, communication management method, and non-transitory computer-readable medium Electricity 0 Active
US10015329B2 Information management apparatus, information management method, and information device Electricity 0 Active

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