Average Co-Inventor Count = 1.80
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. Norton Company (1 from 425 patents)
2. Saint-gobain/norton Industrial Ceramics Corporation (1 from 103 patents)
3. Saint-gobain Industrial Ceramics, Inc. (1 from 48 patents)
3 patents:
1. 5879406 - Artificial joint bioprosthesis for mitigation of wear
2. 5871547 - Hip joint prosthesis having a zirconia head and a ceramic cup
3. 5641469 - Production of alpha alumina