Average Co-Inventor Count = 4.90
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. Sumitomo Chemical Company, Limited (4 from 6,893 patents)
4 patents:
1. 5300293 - Poison bait for control of noxious insects
2. 5096710 - Poison bait for control of noxious insects
3. 4985413 - Poison bait for control of noxious insects
4. 4834977 - Poison bait for control of noxious insects