Average Co-Inventor Count = 7.00
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. Nkk Corporation (2 from 614 patents)
2. Asahi Glass Company, Limited (1 from 2,560 patents)
2 patents:
1. 5512821 - Method and apparatus for magnetically detecting defects in an object
2. 5180228 - Radiation thermometer for molten iron and method for measuring the