Average Co-Inventor Count = 4.61
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. Mitsubishi Heavy Industries Limited (3 from 4,618 patents)
3 patents:
1. 12345744 - Diagnosis system and diagnosis method for opening/closing device
2. 7134388 - Calender for a sheet of paper
3. 6837157 - Calendar for a sheet of paper