Average Co-Inventor Count = 5.83
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. Mitsubishi Heavy Industries Limited (1 from 4,621 patents)
2. Mitsubishi Jukogyo Kabushiki Kaisha (1 from 1,326 patents)
2 patents:
1. 6997108 - Plate-making type printing press, multi-color printing press and plate-making type printing method
2. 5435243 - Wetting apparatus and method for offset printing machines