Average Co-Inventor Count = 5.54
ph-index = 2
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. Kawasaki Steel Corporation (2 from 1,256 patents)
2 patents:
1. 4978583 - Patterned metal plate and production thereof
2. 4783378 - Steel sheets for drawing and ironing worked cans