Average Co-Inventor Count = 1.00
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. Willis Electric Co., Ltd. (2 from 128 patents)
2 patents:
1. 7055981 - Stretchable and shrinkable tree light strings
2. 6951405 - Decorative light strings with combinative tree