Inventor
KISHI ISAO
JP87 patents
⚠️ This page may combine multiple inventors who share the name “KISHI ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
45 patentsUS7412188B2Aug 12, 2008
Developer cartridge structured to have a predetermined distance between a first axis and a second axis
BROTHER IND LTD53 citations96
US7386253B2Jun 10, 2008
Photosensitive member cartridge, developer cartridge and process cartridge
BROTHER IND LTD50 citations96
USD637225SMay 3, 2011
Toner cartridge
BROTHER IND LTD37 citations93
US7873296B2Jan 18, 2011
Photosensitive member cartridge, developer cartridge and process cartridge
BROTHER IND LTD13 citations93
US7796915B2Sep 14, 2010
Photosensitive member cartridge, developer cartridge and process cartridge
BROTHER IND LTD9 citations93
USD596663SJul 21, 2009
Printer cartridge
BROTHER IND LTD24 citations93
US7536117B2May 19, 2009
Image-forming device and developing cartridge with information member for use therein
BROTHER IND LTD25 citations93
USD588190SMar 10, 2009
Printer cartridge
BROTHER IND LTD22 citations93
USD566169SApr 8, 2008
Toner cartridge
BROTHER IND LTD24 citations93
USD550765SSep 11, 2007
Toner cartridge
BROTHER IND LTD33 citations93
USD550767SSep 11, 2007
Toner cartridge
BROTHER IND LTD24 citations93
USD550764SSep 11, 2007
Toner cartridge
BROTHER IND LTD32 citations93
US7336913B2Feb 26, 2008
Developing apparatus, process cartridge and image forming apparatus for preventing leakage
BROTHER IND LTD20 citations92
US11693331B2Jul 4, 2023
Developer cartridge
BROTHER IND LTD4 citations86
US11249418B2Feb 15, 2022
Developer cartridge
BROTHER IND LTD4 citations84
US10859942B2Dec 8, 2020
Developer cartridge
BROTHER IND LTD4 citations84
US10845755B2Nov 24, 2020
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD4 citations84
US10520853B2Dec 31, 2019
Developer cartridge
BROTHER IND LTD6 citations84
US10488813B2Nov 26, 2019
Drum unit
BROTHER IND LTD6 citations84
US10401782B2Sep 3, 2019
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD4 citations84
US10401789B2Sep 3, 2019
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD8 citations84
US9864330B2Jan 9, 2018
Developer cartridge
BROTHER IND LTD3 citations84
US7471921B2Dec 30, 2008
Developing device and image forming apparatus
BROTHER IND LTD16 citations84
USD579970SNov 4, 2008
Tray for printer cartridges
BROTHER IND LTD12 citations84
USD579484SOct 28, 2008
Printer cartridge
BROTHER IND LTD11 citations84
US7248817B2Jul 24, 2007
Process cartridge and image forming apparatus
BROTHER IND LTD19 citations84
US7924299B2Apr 12, 2011
Developer cartridge for image-forming device
BROTHER IND LTD4 citations74
USD588632SMar 17, 2009
Tray for printer cartridges
BROTHER IND LTD7 citations74
US11853002B2Dec 26, 2023
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD1 citations73
US11320779B2May 3, 2022
Drum unit
BROTHER IND LTD2 citations73
US11262695B2Mar 1, 2022
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD3 citations73
US10955793B2Mar 23, 2021
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD2 citations73
US10942485B2Mar 9, 2021
Drum unit
BROTHER IND LTD2 citations73
US10852685B2Dec 1, 2020
Drum cartridge and image forming apparatus
BROTHER IND LTD2 citations73
US10761459B2Sep 1, 2020
Drum cartridge and image forming apparatus
BROTHER IND LTD2 citations73
US10725427B2Jul 28, 2020
Drum unit
BROTHER IND LTD2 citations73
US10216139B2Feb 26, 2019
Image forming apparatus and tandem type photosensitive unit
BROTHER IND LTD1 citations73
US9581960B2Feb 28, 2017
Cartridge provided with coil-shaped electrode member
BROTHER IND LTD3 citations73
US12572090B2Mar 10, 2026
Developer cartridge
BROTHER IND LTD0 citations63
US12547095B2Feb 10, 2026
Developing cartridge having electrode contactable with another electrode by pivot motion of the cartridge
BROTHER IND LTD0 citations63
US12271148B2Apr 8, 2025
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD0 citations63
US12197168B2Jan 14, 2025
Developing cartridge including shaft and cam having cam surface
BROTHER IND LTD0 citations63
US12174557B2Dec 24, 2024
Developer cartridge
BROTHER IND LTD0 citations63
US12032307B2Jul 9, 2024
Developing cartridge having electrode contactable with another electrode by pivot motion of the cartridge
BROTHER IND LTD0 citations63
US12032329B2Jul 9, 2024
Developing cartridge including shaft and cam having cam surface
BROTHER IND LTD0 citations63
HASHIMOTO JUNICHI
2 patentsOKABE YASUSHI
2 patentsKISHI ISAO
1 patentShowing the top 50 of 87 patents by PatentIndex Score.