Average Co-Inventor Count = 3.00
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. Daewoo Shipbuilding & Marine Engineering Co., Ltd. (2 from 86 patents)
2. Transocean Sedco Forex Ventures Limited (2 from 58 patents)
2 patents:
1. 9327806 - Drilling ship for a polar region
2. 9296449 - Drilling ship for polar region