Average Co-Inventor Count = 3.20
ph-index = 4
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. Fujitsu Corporation (4 from 39,244 patents)
4 patents:
1. 4345020 - Positive resist polymer composition and method of forming resist pattern
2. 4276365 - Positive resist terpolymer composition and method of forming resist
3. 4273856 - Positive resist terpolymer composition and method of forming resist
4. 4267258 - Negative type deep ultraviolet resist