Average Co-Inventor Count = 5.00
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. Sanyo Electric Co., Ltd. (2 from 8,777 patents)
2 patents:
1. 7374443 - 360° electrical contact within a vacuum cleaner hose
2. 7337493 - Upright-type electric vacuum cleaner with detachable dust collector