Patent assignee · JP · COMPANY

Softbank BB Corp.

15Patents
4Active
15Granted
37Portfolio score

Filing activity: Aug 2, 1999 → Jul 21, 2010 · 4 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7523067B1 Electronic settlement system, settlement apparatus, and terminal Physics 95 Expired
US7265989B2 PC card Emerging Cross-Sectional Technologies 17 Expired
US7657490B1 Electronic settlement system, settlement device, and terminal Physics 15 Expired
US7014106B2 Electronic payment system, payment apparatus, and terminal thereof Physics 14 Expired
US7430522B2 Exchange rate calculator Physics 13 Active
US7296755B2 Electronic payment system, payment apparatus and terminal thereof Physics 9 Expired
US7457782B2 Electronic settlement system, settlement apparatus and terminal Physics 7 Expired
US7460521B2 Communication system, call connection server, terminal apparatus and communication method Electricity 6 Expired
US7448540B2 Electronic settlement system, settlement apparatus and terminal Physics 5 Active
US7865401B2 Electronic settlement system, settlement apparatus, and terminal Physics 3 Active
US7484025B2 PC card and PC card control method Physics 2 Expired
US7561563B2 Communication path setting method and communication path setting system Electricity 2 Expired
US7571117B1 Electronic authentication system, authentication apparatus, and terminal Physics 2 Expired
US8995988B2 Communication characteristic analyzing system, communication characteristic analyzing method, and communication characteristic analyzing program Electricity 1 Active
US7273183B2 Wireless tag Physics 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.