Granted Patent
Utility
US 6,419,401 · App. 09/214,693
Optical connector ferrule
Inventors:
Junji Taira, Masahiro Nakajima, Kouji Minami, Hiroyuki Tokita, Tatsuo Koshigoe, Nobuo Suzuki
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Apr 23, 1999
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.