Average Co-Inventor Count = 2.40
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. Minolta Camera Kabushiki Kaisha (2 from 2,979 patents)
2 patents:
1. 5172989 - Thermal transfer color printer with tensioning roller
2. 4962387 - Thermal transfer printing apparatus