Average Co-Inventor Count = 4.62
ph-index = 13
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 (16 from 90,594 patents)
2. Kowa Company Limited (2 from 589 patents)
3. Hitachi, Ltd. (1 from 42,485 patents)
19 patents:
1. 9208960 - Electrode for vacuum circuit breaker, and vacuum interrupter using the electrode
2. 7553865 - Indomethacin external preparation
3. 6582720 - Medicinal compositions adhering to stomach/duodenum
4. 6118961 - Detachable two-frame process cartridge for an image forming apparatus
5. 6097911 - Process cartridge having shiftable cover with specific spacing between
6. 6075956 - Process cartridge having shiftable cover and guide member for directing
7. 5987278 - Process cartridge and image forming apparatus usable therewith
8. 5907749 - Process cartridge and image forming apparatus usable therewith
9. 5878304 - Process cartridge having shiftable cover with inner protrusion
10. 5828928 - Process cartridge mountable in an image forming system and a method for
11. 5682579 - Detachable two-frame process cartridge for an image forming apparatus
12. 5623328 - Process cartridge and image forming system on which process cartridge is
13. 5608509 - Process cartridge with blade member having a flat-surface side and an
14. 5470635 - Blade member having a flat-surface side and an angled-surface side
15. D355208 - Developing device for copying machine