Average Co-Inventor Count = 4.44
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. Hitachi, Ltd. (4 from 42,485 patents)
4 patents:
1. D332314 - Clinical chemistry analyzer
2. D325176 - Spectro photometer
3. D323437 - Control table for spectro photometer
4. D317596 - Operator console for magnetic resonance imaging system