Average Co-Inventor Count = 6.00
ph-index = 3
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 Jukogyo Kabushiki Kaisha (4 from 1,326 patents)
4 patents:
1. 5248325 - Gas separating system and gas recovery system
2. 4828518 - Double reverse revolution propeller apparatus
3. 4786264 - Stern tube bearing system of contra-rotating propeller
4. 4481867 - Axial plunger pump or motor