Granted Patent
Utility
US 6,587,607 · App. 09/997,510
Optical fiber chromatic dispersion distribution measuring apparatus and measuring method
Inventors:
Shoichi Aoki, Sinya Nagashima
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Nov 29, 2001
Inventors
Shoichi Aoki
Sinya Nagashima
Assignee (at issue)
Ando Electric Co., 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.