Average Co-Inventor Count = 3.75
ph-index = 2
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. Sanyo Electric Co., Ltd. (2 from 8,780 patents)
2 patents:
1. 7195604 - Massage machine with recess having a bottom wall and opposite side walls that are inflatable
2. 6899687 - Massage machine and physiological quantity measuring circuit for use in the machine