IP Library › Granted Patent US 4,520,090
Granted Patent Utility
US 4,520,090 · App. 06/499,185

Magnetic toner

Inventors: Hiroshi Yamazaki, Kiyoshi Tamaki
Patented Case View Patent ↗
Granted: May 28, 1985 Filed: May 31, 1983
Inventors
Hiroshi Yamazaki
Kiyoshi Tamaki
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.

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Quick Facts
Patent No.
US 4,520,090
App. No.
06/499,185
Filed
1983-05-31
Granted
1985-05-28
Kind
A