Average Co-Inventor Count = 2.25
ph-index = 3
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. Yamaichi Electronics Co., Ltd. (3 from 340 patents)
3 patents:
1. 6848923 - Switch structure of card connector
2. 6729892 - Card connector
3. 6638087 - Switch structure of card connector