Average Co-Inventor Count = 3.00
ph-index = 2
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. Sekisui Kagaku Kogyo Kabushiki Kaisha (2 from 232 patents)
2 patents:
1. 4266370 - Agricultural covering film or sheet and method for thermal insulation
2. 4220736 - Agricultural covering film or sheet and method for thermal insulation