Granted Patent
Utility
US 5,366,542 · App. 07/988,360
Polishing composition
Inventors:
Tsutomu Yamada, Taizo Okajima, Kouichi Ootani, Hitoshi Morinaga
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Dec 7, 1992
Inventors
Tsutomu Yamada
Taizo Okajima
Kouichi Ootani
Hitoshi Morinaga
Assignee (at issue)
FUJIMI INCORPORATED
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.