Average Co-Inventor Count = 3.69
ph-index = 4
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. 7137075 - Method of displaying, a method of processing, an apparatus for processing, and a system for processing multimedia information
2. D496732 - Blood sugar level measuring apparatus
3. D292630 - Clothes dryer
4. D292629 - Electric washing machine