Average Co-Inventor Count = 5.00
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. Dainippon Screen Mfg. Co., Ltd. (1 from 1,306 patents)
2. Konica Minolta Medical and Graphic, Inc. (1 from 389 patents)
1 patent:
1. D518497 - Printing plate producing machine