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. Mitsubishi Heavy Industries Limited (4,626 patents)
2. Japan Ship Machinery & Equipment Association (2 patents)
3. Oshima Shipbuilding Co., Ltd. (1 patent)
4. Japan Engine Corporation (0 patent)
0 patent: