Average Co-Inventor Count = 4.00
ph-index = 4
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. Santa Fe International Corporation (4 from 50 patents)
4 patents:
1. 4345855 - Self propelled dynamically positioned reel pipe laying ship
2. 4340322 - Self propelled dynamically positioned reel pipe laying ship
3. 4269540 - Self propelled dynamically positioned reel pipe laying ship
4. 4230421 - Self propelled dynamically positioned reel pipe laying ship