Average Co-Inventor Count = 1.89
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. Tdk Corporation (3 from 7,952 patents)
3 patents:
1. 7134196 - Electronic device and manufacturing same
2. 6342911 - Thermal head
3. 6320604 - Multi power type thermal head