Average Co-Inventor Count = 2.67
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. Stemco Co., Ltd. (2 from 9 patents)
2 patents:
1. 11956904 - Multilayer circuit board and manufacturing method therefor
2. 11147160 - Circuit board and method for manufacturing same