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.

Date of Patent:
May. 06, 2025

Filed:

Jul. 11, 2019
Applicant:

Hisamitsu Pharmaceutical Co., Inc., Tosu, JP;

Inventors:

Eisuke Hatanaka, Tsukuba, JP;

Kazuki Kuriyama, Tsukuba, JP;

Naoki Yamamoto, Tsukuba, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2005.12);
U.S. Cl.
CPC ...
A61M 37/0015 (2012.12); A61M 2037/0023 (2012.12); A61M 2037/0053 (2012.12);
Abstract

A method of producing a microneedle sheet according to an embodiment includes: preparing a sheet having a first surface and a second surface; making a first cut in a range from the first surface to the second surface of the sheet to form a first outer edge that defines a tip end of the microneedle; and making, after forming the first outer edge, a second cut in a range from the first surface to the second surface of the sheet to form a second outer edge that defines the tip end of the microneedle, thereby forming the tip end of the microneedle.


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