Granted Patent
Utility
US 5,743,787 · App. 08/541,208
Method for polishing optical fiber end surface
Inventors:
Keiichi Ishiyama, Kohji Minami, Hiroyuki Tokita, Toyokazu Iwakiri, Nobuo Suzuki
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Oct 12, 1995
Inventors
Keiichi Ishiyama
Kohji Minami
Hiroyuki Tokita
Toyokazu Iwakiri
Nobuo Suzuki
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.