Average Co-Inventor Count = 4.00
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. Seiko Epson Corporation (1 from 33,436 patents)
2. Sun Medical Technology Research Corporation (1 from 27 patents)
1 patent:
1. 6123726 - Portable drive system for artificial heart