Granted Patent
Utility
US 6,381,815 · App. 09/662,027
Buckle with non-contact switch
Inventors:
Yutaka Yamaguchi, Akihiro Shiota, Yoshihiko Kawai, Tadayuki Asako, Takaaki Kimura, Hirofumi Koizumi
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Sep 14, 2000
Inventors
Yutaka Yamaguchi
Akihiro Shiota
Yoshihiko Kawai
Tadayuki Asako
Takaaki Kimura
Hirofumi Koizumi
Assignees (at issue)
TAKATA CORPORATION
HOSIDEN CORPORATION
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.