Granted Patent
Utility
US 6,258,459 · App. 09/300,452
Multilayer thin film
Inventors:
Takao Noguchi, Yoshihiko Yano
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Apr 28, 1999
Inventors
Takao Noguchi
Yoshihiko Yano
Assignee (at issue)
TDK CORPORATION
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.