Granted Patent
Utility
US 5,972,096 · App. 09/007,752
Coating solutions for use in forming bismuth-based ferroelectric thin films
Inventors:
Yoshihiro Sawada, Akira Hashimoto, Tetsuya Osaka, Ichiro Koiwa, Juro Mita, Yoshinori Maeno, Yukihisa Okada, Hiroyo Kato
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Jan 15, 1998
Inventors
Yoshihiro Sawada
Akira Hashimoto
Tetsuya Osaka
Ichiro Koiwa
Juro Mita
Yoshinori Maeno
Yukihisa Okada
Hiroyo Kato
Assignees (at issue)
TOKYO OHKA KOGYO CO., LTD.
OKI ELECTRIC INDUSTRY 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.