Average Co-Inventor Count = 1.20
ph-index = 1
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. Daio Paper Corporation (3 from 387 patents)
3 patents:
1. 11724865 - Toilet roll package
2. 11337566 - Toilet paper
3. 11167899 - Toilet paper roll package