Average Co-Inventor Count = 4.44
ph-index = 1
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. Wisol Co., Ltd. (2 from 37 patents)
2 patents:
1. 10622542 - Stacked piezoelectric ceramic element
2. 9496483 - Vibration module based on piezoelectric device