Electronic keyboard musical instrument

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8927845
SERIAL NO

14245680

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An electronic keyboard musical instrument, including: a housing having a lower casing having a bottom wall and an upper casing having a top wall, left and right walls being formed on at least one of the top wall and the bottom wall; a keyboard portion held by the housing; at least one speaker disposed at at least one end portion of the housing in its key arrangement direction, such that its sound emission surface faces rearward; a sound adjuster disposed in the housing so as to be located outward of the speaker in the left-right direction; and a plurality of protruding portions formed at the one end portion so as to protrude from the at least one of the top and bottom walls, wherein the sound adjuster is held by at least one of the protruding portions.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
YAMAHA CORPORATIONHAMAMATSU-SHI SHIZUOKA-KEN

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Takashi Hamamatsu, JP 514 6728
Koyama, Takao Hamamatsu, JP 38 415

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 6, 2026
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00