Average Co-Inventor Count = 4.50
ph-index = 9
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. Hitachi, Ltd. (11 from 42,496 patents)
11 patents:
1. 11593687 - Vehicle operation analysis of a driver
2. 7489297 - Method for displaying information and information display system
3. 7479987 - Image providing service system
4. D505438 - Video camera with digital video disc player
5. 6827902 - Biochemical analyzer
6. D467601 - Video camera with digital video disc player
7. D432534 - Computer
8. 6084239 - Electron microscope
9. 5864138 - Electron Microscope
10. D399964 - Biochemical analysis machine
11. D381031 - Electron microscope