Average Co-Inventor Count = 1.00
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. Sugatsune Industrial Co., Ltd. (2 from 42 patents)
2 patents:
1. D329190 - Damper stay for furniture doors
2. D328195 - Coat hanger