Average Co-Inventor Count = 5.29
ph-index = 3
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 (3 from 164,108 patents)
3 patents:
1. 4601969 - High contrast, high resolution deep ultraviolet lithographic resist
2. 4522911 - Deep ultra-violet lithographic resists with diazohomotetramic acid
3. 4397937 - Positive resist compositions