Average Co-Inventor Count = 3.43
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. Sekisui Kagaku Kogyo Kabushiki Kaisha (3 from 232 patents)
2. Sekisui Kagaku Kogyo K.k. (1 from 5 patents)
4 patents:
1. 4266370 - Agricultural covering film or sheet and method for thermal insulation
2. 4250661 - Agricultural covering multilayer film or sheet structure and method for
3. 4220736 - Agricultural covering film or sheet and method for thermal insulation
4. 4214034 - Agricultural covering multilayer film or sheet structure and method for