Average Co-Inventor Count = 4.00
ph-index = 3
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. Cosel Co., Ltd. (3 from 17 patents)
3 patents:
1. D478309 - Power supply apparatus
2. D442913 - Power supply apparatus
3. D442914 - Power supply apparatus