USPTO Patent Grant for Tablet Production Method

ChangeBridge: Patent Grants - Pharma (A61K)

Published March 24th, 2026

Detected March 25th, 2026

Summary

The USPTO has granted patent US12582606B2 to SUNSHO PHARMACEUTICAL CO., LTD. for a tablet and a method for producing the tablet. The patent focuses on a technique for stably regulating the amount of an active ingredient without significant cost.

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What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12582606B2 to SUNSHO PHARMACEUTICAL CO., LTD. The patent covers a novel tablet composition and a method for its production, specifically designed to ensure stable regulation of active ingredients, such as medicinal or biofunctional components, within the tablet. The described method aims to achieve this stability without incurring substantial production costs, by utilizing a specific granulating composition and binder structure.

This patent grant is primarily an intellectual property matter and does not impose direct regulatory obligations on other pharmaceutical companies. However, it may influence manufacturing strategies and product development for entities operating in the tablet production space, particularly concerning the use of similar patented technologies. Companies should be aware of this patent when developing new tablet formulations or production methods to avoid potential infringement.

Source document (simplified)

← USPTO Patent Grants

Tablet and method for producing tablet

Grant US12582606B2 Kind: B2 Mar 24, 2026

Assignee

SUNSHO PHARMACEUTICAL CO., LTD.

Inventors

Shunsuke Sei, Misuzu Mineda, Chikara Morizane, Wataru Hirasawa

Abstract

Provided are a tablet and a method for producing the tablet, in particular, a technique for tablet production whereby the amount of an active ingredient to be contained in the tablet can be stably regulated without the need of a huge cost for the production. The tablet of the present invention is one obtained by compacting a mixture comprising a granulating composition including a medicinal ingredient or a biofunctional ingredient, and includes a first region, which comprises a binder including the medicinal ingredient or biofunctional ingredient, and a second region, which is adjacent to the first region and comprises the binder including the medicinal ingredient or biofunctional ingredient. The medicinal ingredient or biofunctional ingredient contained in each of the first region and second region is included in the binder, not in the form of a layer but in the state of having been dispersed or dissolved.