Average Co-Inventor Count = 3.64
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. Sanyo Electric Co., Ltd. (3 from 8,780 patents)
3 patents:
1. 6899687 - Massage machine and physiological quantity measuring circuit for use in the machine
2. 6749577 - Massage machine
3. 6460381 - Washing machine or an apparatus having a rotatable container