Average Co-Inventor Count = 3.82
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. Japan Aviation Electronics Industry, Limited (2 from 2,145 patents)
2. Kabushiki Kaisha Toshiba (1 from 52,751 patents)
3 patents:
1. D976883 - Antenna
2. D976884 - Antenna
3. 6188755 - Key telephone system having a plurality of telephone numbers to key telephone set