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.

Date of Patent:
Mar. 29, 2016

Filed:

Jan. 26, 2009
Applicants:

Seiichi Ishizeki, Tokyo, JP;

Tomotaka Sawada, Tokyo, JP;

Inventors:

Seiichi Ishizeki, Tokyo, JP;

Tomotaka Sawada, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60L 1/02 (2006.01); H05B 3/84 (2006.01); B60S 1/02 (2006.01); H05B 3/86 (2006.01);
U.S. Cl.
CPC ...
H05B 3/84 (2013.01); B60S 1/026 (2013.01); H05B 3/86 (2013.01); H05B 2203/013 (2013.01);
Abstract

A window-glass heating device for providing each adequate heat amount in accordance with each parts of the glass and for securing the good visibility to a driver, comprises: a first heater having a transparent heating film attached on the whole surface of the vehicle window glass; a second heater having a transparent heating film attached on a part of the surface of the vehicle window glass and being arranged at least overlapped with the first heater; a heating-requirement detector for detecting at least one of heating requirements such as the outside temperature, the inside temperature and any input through the operational equipments of vehicle inside; and a heating controller for controlling heat amount of the first and second heaters depending on the heating requirement.


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