Average Co-Inventor Count = 2.86
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. International Business Machines Corporation (1 from 164,244 patents)
2. Lexmark International, Inc. (1 from 3,034 patents)
2 patents:
1. 5222200 - Automatic printer data stream language determination
2. 4158240 - Method and system for data conversion