Average Co-Inventor Count = 1.71
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. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
2. Mitsubishi Denki K.k. (1 from 488 patents)
2 patents:
1. 6377890 - Navigator
2. 5831552 - Traffic information display unit