Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Developing apparatus featuring first and second developer bearing members and first and second magnetic seal portions

Developing apparatus featuring first and second developer bearing members and first and second magnetic seal portions

US Patent 6408150 · Granted Jun 18, 2002

Estimated economic value: $152,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Particle adhesion preventing member, electric field forming member, and image fo2016
Image forming apparatus with a toner replenishment feature2009
Image forming apparatus with control of power distribution to heat fixing device2008
Developing apparatus including first and second developer chambers and feeding m2006
Image forming apparatus including a plurality of developing devices with a toner2006
Image forming apparatus with residual toner replenishing feature based on two de2006
Developing device featuring three magnetic poles for generating three magnetic f2005
Image forming apparatus for outputting image in response to digital image signal2002
Developer-carrying member having exposed surface containing graphite or molybden2002
Developing apparatus featuring first and second developer bearing members each i2001
Method of manufacturing a developing agent bearing member1999