Average Co-Inventor Count = 4.61
ph-index = 1
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. Mitsui Toatsu Chemicals, Incorporated (3 from 1,379 patents)
3 patents:
1. 4296112 - Cephalosporins
2. 4283398 - Cephalosporins
3. 4263302 - Quinolinecarboxylic acid substituted penicillins and pharmaceutical