Average Co-Inventor Count = 4.44
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 42,485 patents)
2. Bunker Ramo Corporation (1 from 297 patents)
3. Daiichi Denshi Kogyo Kabushiki Kaisha (1 from 46 patents)
2 patents:
1. 4632478 - Contact of connector
2. 4350409 - Connector keying device