Average Co-Inventor Count = 2.40
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. Kabushiki Kaisha Tokyo Kikai Seisakusho (2 from 145 patents)
2 patents:
1. 9296197 - Print product production device
2. 8480068 - Newspaper production apparatus