Average Co-Inventor Count = 3.12
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. Japan Electronic Materials Corporation (4 from 29 patents)
2. Nihon Denshizairyo Kabushiki Kaisha (3 from 17 patents)
3. Shinko Electric Industries Co., Ltd. (1 from 1,694 patents)
4. Japan Electronics Material Corporation (1 from 1 patent)
8 patents:
1. 9972933 - Contact probe
2. 9841438 - Guide plate for a probe card and probe card provided with same
3. 9774121 - Contact probe
4. 9535096 - Guide plate for a probe card and probe card provided with same
5. 9459287 - Guide plate for probe card
6. 7268568 - Probe card
7. 7208964 - Probe card
8. 6980013 - Probe card