Average Co-Inventor Count = 1.67
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. Panasonic Corporation (1 from 16,453 patents)
2. Panasonic Ecology Systems Guangdong Co., Ltd. (1 from 56 patents)
2 patents:
1. D942081 - Shaving head with six heads
2. 10684028 - Pipe shield of ventilating apparatus