Average Co-Inventor Count = 3.20
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. Bridgestone Corporation (4 from 5,119 patents)
4 patents:
1. 7402198 - Carbon dioxide adsorption-desorption material and adsorption-desorption apparatus
2. 7247237 - Fluid cleaning filter and filter device
3. 7063733 - Filter member
4. 6890373 - Adsorbents, process for producing the same, and applications thereof