Average Co-Inventor Count = 1.00
ph-index = NA
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. Cccc Highway Consultants Co. Ltd. (6 patents)
2. China Communication 2Nd Navigational Bureau 2Nd Engineering Co., Ltd. (1 patent)
3. The Second Harbor Engineering Company (1 patent)
0 patent: