Average Co-Inventor Count = 3.00
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. Other (1 from 832,812 patents)
2. Ergzon Co., Ltd. (1 from 1 patent)
2 patents:
1. 8830166 - Sleeve and control device with such sleeve
2. 8184095 - Control device