Average Co-Inventor Count = 3.00
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. Hitachi Koki Co., Ltd. (2 from 1,267 patents)
2 patents:
1. 4821077 - Cleaner for toner fixing device
2. 4196666 - Printing apparatus having print line visibility control