Average Co-Inventor Count = 6.00
ph-index = 5
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 (6 from 21,351 patents)
6 patents:
1. D444454 - Portable telephone device
2. D442569 - Portable telephone device
3. D434739 - Portable telephone device
4. D434019 - Portable telephone handset
5. D431233 - Portable telephone
6. D426218 - Portable telephone device