Average Co-Inventor Count = 2.00
ph-index = 4
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. Itoki Corporation (4 from 69 patents)
4 patents:
1. D656329 - Chair
2. D645682 - Backrest shell for chair
3. D557917 - Chair
4. D553376 - Chair