Average Co-Inventor Count = 5.59
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 42,496 patents)
4 patents:
1. 5626821 - Cash transaction machine
2. 5626822 - Cash transaction machine and method therefor
3. 5578281 - Cash transaction machine
4. 5135212 - Method of and apparatus for optimizing transference of supplementary