Average Co-Inventor Count = 6.95
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 8,776 patents)
3 patents:
1. 6627053 - Water treatment device
2. 6627073 - Water treatment device
3. 5893280 - Spin extractor