Average Co-Inventor Count = 3.43
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 (2 from 16,453 patents)
2. Panasonic Ecology Systems Guangdong Co., Ltd. (2 from 56 patents)
2 patents:
1. 9303718 - Noise reduction structure
2. 8702483 - Assembly of pipe unit and pipe hood for ventilating fan