Using the Innography, which is a business intelligent solution for IP management (http://www.innography.com/), the patent portfolios for RFID technologies are analyzed. To find the key IPR (issued patents and published applications) holders and their patent portfolios, semantic method is used for the keyword searching of the global patent data bases (USPTO, EPO, JIPO, KIPO, CIPO, WPO etc.)
As of Oct. 15 2009, the key IPR holders and their IPR shares for Mobile WiMAX are as follows:
Motorola (Symbol) (555), Fujitsu (274), Hitachi (272), Dai Nippon Printing (269), IBM (265), Intermec (214), Brother (190), Philips (189), Toshiba (138), TI (133), and Keystone (Micron) (128).
Using the identified key IPR holders' patents, patent portfolios are compared with respect to portfolio quality measures (citations, number of patents, and technology coverage) and portfolio utilization measures (revenue, global families, and litigation information).
As for the Mobile RFID, Motorola (Symbol), IBM, and Intermec form a leader group in portfolio management capability.
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