Average Co-Inventor Count = 2.00
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. Mitsubishi Denki Engineering Kabushiki Kaisha (1 from 2 patents)
1 patent:
1. 7929725 - Acoustic apparatus and telephone conversation apparatus