Granted Patent
Utility
US 6,580,665 · App. 09/547,038
Electronic timepiece having power generating function
Inventors:
Yasuo Kamiyama, Tomomi Murakami, Masao Mafune, Yoichi Nagata
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Apr 11, 2000
Inventors
Yasuo Kamiyama
Tomomi Murakami
Masao Mafune
Yoichi Nagata
Assignee (at issue)
CITIZEN WATCH 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.