Average Co-Inventor Count = 6.10
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. Hitachi, Ltd. (3 from 42,485 patents)
3 patents:
1. 5387493 - Photosensitive resin composition for forming conductor patterns and
2. 5268255 - Photo-setting resist composition, a process for producing a printed
3. 5091283 - Photocurable diallyl phthalate resin composition and printed circuit