Sealing sheet, and liquid ejection head and inkjet apparatus using same

US8950837B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8950837-B2
Application numberUS-201213616664-A
CountryUS
Kind codeB2
Filing dateSep 14, 2012
Priority dateSep 20, 2011
Publication dateFeb 10, 2015
Grant dateFeb 10, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

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.

First claim

Opening claim text (preview).

What is claimed is: 1. A sealing sheet configured to restrain leakage of liquid in and out, the sealing sheet comprising: 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, wherein an electrical signal corresponding to change in electrical resistance due to contact with the liquid is obtainable from the electrical wires, wherein the electrical wires include:…

Assignees

Inventors

Classifications

  • B41J29/393Primary

    Operations & Transport · mapped topic

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US8950837B2 cover?
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…
Who is the assignee on this patent?
Maeda Yasuhiko, Fujifilm Corp
What technology area does this patent fall under?
Primary CPC classification B41J29/393. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Feb 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).