LIQUID EJECTION HEAD, LIQUID EJECTION APPARATUS, AND MANUFACTURING METHOD OF LIQUID EJECTION HEAD

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United States of America

APP PUB NO 20250115047A1
SERIAL NO

18888475

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An object is to provide a liquid ejection head capable of suppressing corrosion. The liquid ejection head attachable to and detachable from a liquid ejection apparatus comprises a liquid ejection unit capable of ejecting liquid and a support member capable of supporting the liquid ejection unit. In the liquid, a predetermined component is includes. In the support member, metal is included. The surface of the support member is covered with an oxide cover layer having a thickness of 1 μm or more provided by predetermined treatment.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHA30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 146-8501

International Classification(s)

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  • 2024 Application Filing Year
  • B41J Class
  • 1374 Applications Filed
  • 27 Patents Issued To-Date
  • 1.97 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
AMMA, HIROMASA Kanagawa, JP 68 456
KAWAMURA, SHOGO Kanagawa, JP 56 628
KIMURA, SATOSHI Kanagawa, JP 235 2188
OKUSHIMA, SHINGO Kanagawa, JP 114 1215

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  • B41J Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges18940010020030040050060070080090010001100120013001400150016001700180019002000

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