Granted Patent
Utility
US 6,526,086 · App. 09/423,197
Band narrowing laser
Inventors:
Osamu Wakabayashi, Hirokazu Tanaka, Tatsuya Ariga
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Nov 4, 1999
Inventors
Osamu Wakabayashi
Hirokazu Tanaka
Tatsuya Ariga
Assignee (at issue)
KOMATSU 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.