Average Co-Inventor Count = 3.00
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. Sumitomo Naugatuck Co., Ltd. (3 from 39 patents)
3 patents:
1. 4419491 - Thermoplastic resin composition excellent in color development
2. 4373063 - Elastomeric composition
3. 4271230 - Foamed urethane composite