Average Co-Inventor Count = 5.46
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. Other (1 from 832,680 patents)
2. Tohoku University (1 from 982 patents)
3. Kake Educational Institution (1 from 9 patents)
2 patents:
1. 11147796 - Agent for preventing or ameliorating hearing impairment
2. 11083493 - Mechanism for holding elongate medical apparatus