Average Co-Inventor Count = 2.00
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. Hosiden Electronics Co., Ltd. (2 from 173 patents)
2 patents:
1. 5038459 - Method of fabricating the diaphragm unit of a condenser microphone by
2. 5014322 - Diaphragm unit of a condenser microphone, a method of fabricating the