Average Co-Inventor Count = 1.33
ph-index = 2
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. Kk Corporation (1 from 2 patents)
2. Wanbishi Industry Co., Ltd. (1 from 1 patent)
2 patents:
1. 6386135 - Freestanding cylindrical indicator
2. 5337418 - Protector and article of sportswear using the same