Average Co-Inventor Count = 3.69
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. Okamura Corporation (4 from 421 patents)
4 patents:
1. 7246859 - Chair
2. 7243993 - Tilting mechanism for a chair and a chair having the same
3. 7097249 - Tilting mechanism for a chair and chair having the same
4. 6942300 - Structure for mounting a net member to a frame for a seat or backrest of a chair