Average Co-Inventor Count = 1.50
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. Baldwin-japan Ltd. (2 from 27 patents)
2 patents:
1. 6101945 - Printing plate or printed product identifying apparatus
2. 5867768 - Simultaneous multidirectional communication apparatus