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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10828479 B1

PDFFull Text
Date of Patent:
Nov. 10, 2020

Filed:

Aug. 05, 2016

Microprojection implement and method for producing same

Applicant:

Kao Corporation, Tokyo, JP;

Inventors:

Satoshi Ueno, Utsunomiya, JP;

Hideo Kobayashi, Mooka, JP;

Takatoshi Niitsu, Utsunomiya, JP;

Assignee:

KAO CORPORATION, Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Laura A Bouchelle

Int. Cl.
CPC ...
A61M 37/00 (2006.01); B29C 51/08 (2006.01); B29C 51/42 (2006.01); B29C 51/32 (2006.01); B29C 51/30 (2006.01); B29K 67/00 (2006.01); B29K 77/00 (2006.01); B29K 23/00 (2006.01); B29K 69/00 (2006.01); B29K 1/00 (2006.01); B29C 35/16 (2006.01); B29C 35/02 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
A61M 37/0015 (2013.01); B29C 51/08 (2013.01); B29C 51/30 (2013.01); B29C 51/32 (2013.01); B29C 51/426 (2013.01); B29C 51/427 (2013.01); B29C 51/428 (2013.01); A61M 2037/0023 (2013.01); A61M 2037/0053 (2013.01); B29C 35/0261 (2013.01); B29C 2035/1666 (2013.01); B29K 2001/00 (2013.01); B29K 2003/00 (2013.01); B29K 2023/06 (2013.01); B29K 2023/12 (2013.01); B29K 2067/003 (2013.01); B29K 2067/043 (2013.01); B29K 2067/046 (2013.01); B29K 2069/00 (2013.01); B29K 2077/00 (2013.01); B29K 2905/00 (2013.01); B29K 2905/02 (2013.01); B29K 2905/10 (2013.01); B29L 2031/7544 (2013.01);
Abstract

A microprotrusion device (A) according to the present invention includes a needle-like and hollow first protrusion portion () that is formed so as to protrude from one surface () of a substrate sheet () and a hollow second protrusion portion () that is formed so as to protrude from a vicinity of the first protrusion portion () on the one surface () of the substrate sheet () and has a protrusion height lower than that of the first protrusion portion (). The first protrusion portion () has an opening at its tip end portion, and a hollow portion () of the first protrusion portion () is in communication with the outside via the opening portion (). The opening portion () is formed at the tip end of the first protrusion portion ().

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