Average Co-Inventor Count = 4.00
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. Merry Electronics Co., Ltd. (2 from 57 patents)
2 patents:
1. 9025787 - Earphone plug with mode switching function
2. 8532325 - Earphone device with bass adjusting function