Mastication monitoring device

- Sharp Kabushiki Kaisha
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FIG. 1 is a front, left perspective view of a mastication monitoring device in accordance with my new design;

FIG. 2 is rotated, rear, left perspective view thereof;

FIG. 3 a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a left side elevation view thereof.

The mastication monitoring device may be hooked on an ear to measure data of mastication frequency and speed.

The broken lines in the drawings depict portions of the mastication monitoring device that form no part of the claimed design.


The ornamental design for a mastication monitoring device, as shown and described.

Referenced Cited
U.S. Patent Documents
D468299 January 7, 2003 Boesen
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D565022 March 25, 2008 Belliveau
D575872 August 26, 2008 Pedersen
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D797939 September 19, 2017 Tipsmark
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D847794 May 7, 2019 Guo
Foreign Patent Documents
D1347547 January 2009 JP
D1524929 June 2015 JP
D1524930 June 2015 JP
D1575943 May 2017 JP
Other references
  • Counting calories from . . . the ear. Online, published date Nov. 7, 2014. Retrieved on May 28, 2019 from URL:
Patent History
Patent number: D888253
Type: Grant
Filed: Mar 12, 2018
Date of Patent: Jun 23, 2020
Assignee: Sharp Kabushiki Kaisha (Sakai, Osaka)
Inventor: Shunsuke Nara (Sakai)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Omeed Agilee
Application Number: 29/640,037