Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ryuji Hashimoto0
Yohei Wada0
Date of Patent
October 18, 2016
Patent Application Number
15051934
Date Filed
February 24, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A drum head includes a skin having an inner skin and an outer skin formed integrally with an outer edge of the inner skin. The inner skin has a plurality of openings arranged in a circumferential direction of the inner skin. An outline of each of the plurality of openings has an inner end portion in a radial direction of the skin in plan view, and the inner end portion protrudes and tapers inward in the radial direction.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
