Average Co-Inventor Count = 4.09
ph-index = 2
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. (3 from 42,517 patents)
3 patents:
1. 7200457 - Component and material traceability control apparatus, control method, control program, and control program memory medium
2. 7010378 - Component and material traceability control apparatus, control method, control program, and control program memory medium
3. 5493594 - Method and apparatus for inspection of solder joints by x-ray