Average Co-Inventor Count = 1.33
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. Zojirushi Corporation (4 from 85 patents)
4 patents:
1. D1047564 - Vacuum flask
2. D848787 - Drink bottle lid
3. D710155 - Heat-insulating container
4. D628857 - Vacuum bottle