The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2010
Filed:
Apr. 13, 2005
Applicants:
Eiki Murakami, Kokubunji, JP;
Takeo Mutoh, Tokyo, JP;
Takayuki Hasumi, Niiza, JP;
Kenji Shimoda, Tokyo, JP;
Inventors:
Eiki Murakami, Kokubunji, JP;
Takeo Mutoh, Tokyo, JP;
Takayuki Hasumi, Niiza, JP;
Kenji Shimoda, Tokyo, JP;
Assignee:
Citizen Holdings Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 1/00 (2006.01); G04C 10/00 (2006.01); H01L 31/042 (2006.01); H01L 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electronic device such as a watch comprises a solar cell () and window portions () which is located on the solar cell () and through which light is applied to the solar cell (). The solar cell () is divided into a plurality of divided cells such that irradiated portions (A toF) of the divided cells are equal in area, in consideration of the shapes, areas, and number of the window portions () and the number of divisions of the solar cell ().