Granted Patent
Utility
US 5,889,909 · App. 08/839,917
Ferrule for optical connector
Inventors:
Junji Taira, Masahiro Nakajima, Kouji Minami, Hiroyuki Tokita, Tatsuo Koshigoe, Nobuo Suzuki
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Apr 21, 1997
Inventors
Junji Taira
Masahiro Nakajima
Kouji Minami
Hiroyuki Tokita
Tatsuo Koshigoe
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.