Average Co-Inventor Count = 2.77
ph-index = 2
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. Man Roland Druckmaschinen Ag (1 from 997 patents)
2. M.a.n. Maschinenfabrik Augsburg-nurnberg A.g. (1 from 111 patents)
3. Man B&w Diessel Aktiengesellschaft (1 from 1 patent)
3 patents:
1. 6843220 - Self-igniting, mixture-compressing internal combustion engine and method for its operation
2. 4617070 - Method of making wear-resistant cylinder, or cylinder liner surfaces
3. 4569225 - Test apparatus in which extremely high test pressures can be generated