Granted Patent
Utility
US 6,462,563 · App. 09/638,261
Fingerprint reading device and method thereof
Inventors:
Yukito Kawahara, Hiroyuki Fujita, Tsutomu Matsuhira
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Aug 11, 2000
Inventors
Yukito Kawahara
Hiroyuki Fujita
Tsutomu Matsuhira
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.