Granted Patent
Utility
US 6,629,777 · App. 09/996,933
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Inventors:
Mikio Tanaka, Kazuhiko Hosokawa, Sayuri Nakata, Yoshihito Takechi
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Nov 30, 2001
Inventors
Mikio Tanaka
Kazuhiko Hosokawa
Sayuri Nakata
Yoshihito Takechi
Assignees (at issue)
SUN A. KAKEN CO., LTD
SUMITOMO ELECTRIC INDUSTRIES, LTD.
YAMATO-ESULON CO., LTD.
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.