Average Co-Inventor Count = 2.00
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. Ikamper Co., Ltd. (2 from 7 patents)
2 patents:
1. 12486719 - Safety apparatus for ladder
2. 12366117 - Safety device for ladder