Average Co-Inventor Count = 4.32
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)
2. Mg Company Ltd. (1 from 3 patents)
5 patents:
1. 5939789 - Multilayer substrates methods for manufacturing multilayer substrates
2. 4890256 - Document editing apparatus having document collator function
3. 4887165 - Document editing apparatus having detachable image reader
4. 4825308 - Data processing system
5. 4732565 - Electric connector