Average Co-Inventor Count = 2.00
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. Other (1 from 832,812 patents)
2. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
3. Akira Hirai (1 from 1 patent)
1 patent:
1. 4719581 - Signal processing unit