Average Co-Inventor Count = 4.94
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. Kabushiki Kaisha Tokai Rika Denki Seisakusho (11 from 2,004 patents)
2. Toyota Jidosha Kabushiki Kaisha (4 from 36,713 patents)
11 patents:
1. 11418953 - Key information generation system and key information generation method
2. 11284253 - Car sharing system
3. 11228600 - Car sharing system
4. 11220239 - Key information generation system and key information generation method
5. 11142166 - Sharing system using valet key
6. 11110894 - Car sharing system
7. 10984616 - Car sharing system and car sharing program
8. 10668896 - Car sharing system and car sharing method
9. 10647298 - Valet key control system and valet key
10. 10596999 - Valet key and method for controlling valet key
11. 10493953 - Car sharing system