Average Co-Inventor Count = 3.79
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. (2 from 78 patents)
2. Nissan Motor Company Limited (1 from 13,402 patents)
3. Kasni Kogyo Co., Ltd. (1 from 1 patent)
3 patents:
1. 9375997 - Sun visor for automobile
2. 7798551 - Vehicle-mountable sun visor
3. 6439638 - Vehicle sun visor