Granted Patent
Utility
US 6,617,539 · App. 09/786,460
Laser heating apparatus
Inventors:
Hideomi Koinuma, Masashi Kawasaki
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Mar 5, 2001
Inventors
Hideomi Koinuma
Masashi Kawasaki
Assignee (at issue)
Japan Science and Technology Kawaguchi
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.