Average Co-Inventor Count = 3.13
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. D327679 - Mobile telephone set
2. D322782 - Movable handset telephone
3. D322435 - Portable cordless handset telephone
4. D302680 - Handset telephone
5. D302274 - Portable telephone or similar article
6. D297839 - Portable handset telephone or similar article