Granted Patent
Utility
US 6,489,552 · App. 09/998,886
Photovoltaic cell module tile
Inventors:
Takeharu Yamawaki, Teruki Hatsukaiwa, Fumihiro Tanigawa, Isao Yoshida
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Nov 19, 2001
Inventors
Takeharu Yamawaki
Teruki Hatsukaiwa
Fumihiro Tanigawa
Isao Yoshida
Assignee (at issue)
KANEKA 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.