Average Co-Inventor Count = 2.98
ph-index = 7
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. Canon Kabushiki Kaisha (8 from 90,809 patents)
2. Hitachi, Ltd. (1 from 42,517 patents)
3. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
10 patents:
1. 7058305 - Optical submarine communication system and surge suppressing apparatus of the optical submarine communication system
2. 6092048 - Task execution support system
3. 5243395 - Color image forming apparatus with developing unit moving means
4. 4788573 - Image forming apparatus
5. 4652149 - Dynamic pressure fluid bearing
6. 4609251 - Rotary drive device
7. 4549219 - Image information transmission system
8. 4547628 - Data transmission system
9. 4325628 - Cleaning device for an image forming apparatus
10. 4319836 - Optical device of a copying apparatus