Granted Patent
Utility
US 6,268,050 · App. 09/167,323
Multi-functional material with photocatalytic functions and method of manufacturing same
Inventors:
Toshiya Watanabe, Eiichi Kojima, Keiichiro Norimoto, Tamon Kimura, Makoto Hayakawa, Atsushi Kitamura, Yoshimitsu Saeki
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Oct 7, 1998
Inventors
Toshiya Watanabe
Eiichi Kojima
Keiichiro Norimoto
Tamon Kimura
Makoto Hayakawa
Atsushi Kitamura
Yoshimitsu Saeki
Assignee (at issue)
TOTO 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.