Average Co-Inventor Count = 1.29
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. Kasai Kogyo Co., Ltd. (3 from 78 patents)
3 patents:
1. 6979042 - Automotive sun visor device
2. 6626481 - Vehicular seat system
3. 6439638 - Vehicle sun visor