Average Co-Inventor Count = 3.00
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. Kokuyo Co., Ltd. (3 from 166 patents)
3 patents:
1. D613517 - Chair
2. D609023 - Chair
3. D609022 - Chair