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.:
Date of Patent:
Jan. 15, 2013
Filed:
Sep. 18, 2003
Yoshikazu Tobinaga, Shiga, JP;
Susumu Sugiyama, Aichi, JP;
Yoshikazu Tobinaga, Shiga, JP;
Susumu Sugiyama, Aichi, JP;
TEXMAC, Inc., Charlotte, NC (US);
Nano Device and System Research Inc., Kyoto, JP;
Abstract
An applicator for applying functional substances, such as cosmetic powder, food color marking, India ink effect marks, or drugs into human skin, having a base, a plurality of microneedles fixed to and projecting from the base a distance only sufficient to penetrate into the stratum corneum or dermis, with the microneedles being of a material that is capable of disintegration and dispersion into the stratum corneum or dermis, such as maltose. The needles contain the functional substance for delivery into the stratum corneum or dermis. The microneedles are of a length approximately 0.5 to 500 μm when used to apply a functional substance to the stratum corneum, or are of a length of approximately 500 to 5,000 μm when used to apply a functional substance to the dermis.