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. Ykk Corporation (1 from 1,384 patents)
2. Okamura Corporation (1 from 421 patents)
3. Ing-b (1 from 1 patent)
1 patent:
1. D1096258 - Chair