Average Co-Inventor Count = 2.39
ph-index = 10
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. Brother Kogyo Kabushiki-kaisha (115 from 17,514 patents)
2. Brother Industries, Ltd. (12 from 972 patents)
127 patents:
1. 12416896 - Developing cartridge provided with cover
2. D1093475 - Photosensitive drum unit
3. 12298701 - Image forming apparatus
4. 12292701 - Image forming apparatus
5. 12282270 - Developer cartridge provided with gear having engagement portions
6. 12282290 - Process cartridge including drum cartridge having first holder, developing cartridge having second holder, and plate for connecting first holder and second holder to each other
7. 12259675 - Process cartridge including developing cartridge having developing holder, and drum cartridge having elastic member that can be connected to developing holder
8. 12174559 - Toner cartridge having electrical contact surface that can contact electrical contact surface of drum cartridge in accordance with pivotal movement of casing
9. 12169377 - Toner cartridge including casing having opening and shutter
10. 12147181 - Image forming apparatus
11. 12092992 - Developing cartridge including developing roller and coupling
12. 12092974 - Toner cartridge attachable to image forming apparatus
13. 12038711 - Image forming apparatus capable of inserting sheet tray in one direction and discharging printed sheet in opposite direction
14. 11947277 - Image forming apparatus
15. 11940743 - Toner cartridge including casing having opening and shutter