Average Co-Inventor Count = 3.00
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Hitachi, Ltd. (1 from 42,508 patents)
2. Hitachi Communication Technologies, Ltd. (1 from 129 patents)
2 patents:
1. 7996004 - Wireless communication system and test method thereof, and access terminal for testing wireless communication system
2. 7542762 - Wireless communication system and test method thereof, and access terminal for testing wireless communication system