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.:

US 8950837 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 10, 2015

Filed:

Sep. 14, 2012
Applicant:

Yasuhiko Maeda, Kanagawa, JP;

Inventor:

Yasuhiko Maeda, Kanagawa, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sealing sheet is configured to restrain at least one of leakage of liquid in and out. The sealing sheet includes: a film member which is impermeable to the liquid and configured to cover a region that needs to be sealed; and electrical wires which are arranged on the film member. An electrical signal corresponding to change in electrical resistance due to contact with the liquid is obtainable from the electrical wires.


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