Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Multi-color image forming apparatus for forming a latent image pattern by use of residual toner remaining in a developing device

Multi-color image forming apparatus for forming a latent image pattern by use of residual toner remaining in a developing device

US Patent 4888619 · Granted Dec 19, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Multi-color image forming apparatus1991
Multiple color image forming apparatus1989
Electrophotographic copying apparatus1983
Toner dispensing device1982