Average Co-Inventor Count = 3.00
ph-index = 2
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. Brother Kogyo Kabushiki-Kaisha (1 from 17,600 patents)
2 patents:
1. 7876223 - RFID tag information communicating apparatus
2. 7090121 - Sheet handling machine