Average Co-Inventor Count = 2.57
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. Sugatsune Industrial Co., Ltd. (3 from 42 patents)
3 patents:
1. 5143432 - Mechanism for controlling the travel of a structural member
2. 5135294 - Mechanism for controlling the travel of a structural member
3. 5011029 - Coat lift hanger