Granted Patent
Utility
US 6,183,044 · App. 09/490,062
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Inventors:
Toshiro Koyanagi, Koji Hiramatsu, Tsuyoshi Fujiwara, Yoshinobu Sawamoto, Toshiaki Iwasaki, Atsushi Hiroshige, Shunichi Katsumata
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Jan 24, 2000
Inventors
Toshiro Koyanagi
Koji Hiramatsu
Tsuyoshi Fujiwara
Yoshinobu Sawamoto
Toshiaki Iwasaki
Atsushi Hiroshige
Shunichi Katsumata
Assignees (at issue)
TAKATA CORPORATION
Toyota Motor 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.