Average Co-Inventor Count = 2.31
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. Tomy International, Inc. (5 from 32 patents)
5 patents:
1. D749745 - Baby bottle
2. D734477 - Valve
3. D732676 - Baby bottle
4. D720464 - Baby bottle
5. D720465 - Valve