Average Co-Inventor Count = 13.00
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. Other (3 from 832,718 patents)
2. Eiji Yoshida (1 from 1 patent)
4 patents:
1. 7299601 - Device for exchanging a bottle closure
2. 7287670 - Device unit, and system for fluid extraction
3. 7162851 - Method for changing a stopper
4. 7032364 - Plug replacing device and plug replacing method