Granted Patent
Utility
US 4,486,524 · App. 06/321,331
Toner for developing electrostatic latent images comprising a resin having specified molecular weight parameters
Inventors:
Yasuyuki Fujisaki, Minoru Takahashi, Hiroshi Ogawara, Hirozo Funaki, Ryubun Seimaya, Yutaka Yamada, Makoto Tomono, Noriyoshi Tarumi
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Nov 13, 1981
Inventors
Yasuyuki Fujisaki
Minoru Takahashi
Hiroshi Ogawara
Hirozo Funaki
Ryubun Seimaya
Yutaka Yamada
Makoto Tomono
Noriyoshi Tarumi
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.