Keyboard device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9646578
APP PUB NO 20150122108A1
SERIAL NO

14526516

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A keyboard device has a plurality of keys, wherein each key includes: a base member formed of a resin material in a box shape having an open lower surface opposite a touching surface, the base member having a rotatably supported base end side; and a pair of wood members formed of a wood material in a rectangular plate shape, disposed respectively on left and right side surfaces of the base member, wherein at least one of the pair of wood members has a thickness dimension within a range of 2 mm or more and 14.5 mm or less.

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Patent Owner(s)

Patent OwnerAddress
ROLAND CORPORATIONSHIZUOKA

International Classification(s)

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  • 2014 Application Filing Year
  • G10H Class
  • 291 Applications Filed
  • 272 Patents Issued To-Date
  • 93.48 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Morohashi, Yukihiro Shizuoka, JP 3 17
Takata, Yukihide Shizuoka, JP 13 30
Uno, Shiro Shizuoka, JP 17 97

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Patent Citation Ranking

  • 1 Citation Count
  • G10H Class
  • 14.04 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges241251432301 - 1011 - 2021 - 3031 - 4041 - 500102030405060708090100110120130140

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