Bearing member

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8735700
APP PUB NO 20140083274A1
SERIAL NO

13628249

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A bearing member is to be used for an action mechanism in a keyboard instrument, the action mechanism provided with an action member that pivots in accordance with a key-depressing operation, and the bearing member includes: an inner layer having a through hole through which a shaft provided in the action member is inserted; and an outer layer formed in an outer side of the inner layer. The inner layer is formed of a first material having a higher stability against humidity than a stability against humidity of the outer layer. The outer layer is formed of a second material having a resilience greater than a resilience of the inner layer.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO200 TERAJIMA-CHO CHUO-KU HAMAMATSU-SHI SHIZUOKA-KEN

International Classification(s)

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  • 2012 Application Filing Year
  • G10C Class
  • 28 Applications Filed
  • 22 Patents Issued To-Date
  • 78.58 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2012201320142015201620170255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Kiyoshi Hamamatsu, JP 41 693

Cited Art Landscape

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Patent Citation Ranking

  • 1 Citation Count
  • G10C Class
  • 15.38 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges21101 - 1000.511.522.533.544.555.566.577.588.599.51010.51111.512

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 27, 2025