Average Co-Inventor Count = 5.56
ph-index = 3
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. Toyota Jidosha Kabushiki Kaisha (3 from 36,713 patents)
2. Matsushita Electric Industrial Co., Ltd. (3 from 27,375 patents)
3. Aisin Aw Co., Ltd. (3 from 2,064 patents)
4. Fujitsu Ten Limited (3 from 902 patents)
5. Other (2 from 832,880 patents)
5 patents:
1. 7349769 - Communication system for communication between in-vehicle terminals and center, and in-vehicle terminal employed in communication system
2. 7286908 - Communication system for communication between in-vehicle terminals and center, and in-vehicle terminal employed in communication system
3. 7280894 - Communication system for communication between in-vehicle terminals and center, and in-vehicle terminal employed in communication system
4. 6647322 - Communication system for communication between in-vehicle terminals and center, and in-vehicle terminal employed in communication system
5. 6631313 - Communication system for communication between in-vehicle terminals and center, and in-vehicle terminal employed in communication system