Granted Patent
Utility
US 6,132,524 · App. 09/007,515
Semiconductor magneto-optical material
Inventors:
Hiroyuki Akinaga, Koichi Onodera
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jan 15, 1998
Inventors
Hiroyuki Akinaga
Koichi Onodera
Assignees (at issue)
Agency of Industrial Science & Technology, Ministry of International Trade & Industry
TOKIN 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.