Average Co-Inventor Count = 4.00
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. Sumitomo Chemical Company, Limited (2 from 6,894 patents)
2. Sanvic Incorporation (1 from 1 patent)
2 patents:
1. 5318649 - Laminates and process for producing the same
2. 5219649 - Laminated soft polyolefin resin layer to urethane foam using an adhesive