Average Co-Inventor Count = 4.00
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. International Business Machines Corporation (3 from 164,135 patents)
3 patents:
1. 6004137 - Method of making graded channel effect transistor
2. 5821577 - Graded channel field effect transistor
3. 5777364 - Graded channel field effect transistor