Average Co-Inventor Count = 5.46
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 Chemical Company, Ltd. (4 from 1,641 patents)
4 patents:
1. 4593986 - Apparatus for developing or peeling alkali-type photosensitive film
2. 4559295 - Process for regenerating solution for developing or peeling alkali-type
3. 4519690 - Process for developing or peeling alkali-type photosensitive film and
4. 4517282 - Process for developing or peeling alkali-type photosensitive film and