Average Co-Inventor Count = 5.83
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. International Business Machines Corporation (1 from 164,108 patents)
2. Zhejiang Ocean University (1 from 21 patents)
3. Shanghai Maritime University (1 from 10 patents)
2 patents:
1. 11085158 - Bidirectional ship lift by gravity balancing
2. 9463674 - Real-time detection of wheel anomalies