Average Co-Inventor Count = 3.75
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. Keio University (5 from 339 patents)
2. Kabushiki Kaisha Top (3 from 34 patents)
3. Wako Industries Co, Ltd. (2 from 2 patents)
4. Saitama Chamber of Commerce and Industry (2 from 2 patents)
5 patents:
1. 12082779 - Endoscope holder
2. 11464396 - Endoscope holder
3. 11272833 - Treatment-instrument insertion aid
4. 11122964 - Treatment-instrument insertion aid
5. 10271874 - Surgical tool insertion aid