Company patents

SAMHWA CO., LTD

SAMHWA CO., LTD's patent strategy is heavily concentrated in Personal Care Articles, representing 70.7% of its portfolio, yet this core area has seen a decline of 37.5% so far in 2026. Surprisingly, while Spraying & Atomizing patents saw a significant drop of 71.4% in 2024, the company showed an emerging focus in Containers & Packaging with a remarkable 400.0% growth in 2025, indicating a shift towards packaging innovation despite a sharp decline so far in 2026.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

41 US filings (since 2023) · 7 categories · 11 themes

Modular Cosmetic Packaging

Innovative designs for cosmetic containers and dispensing systems that feature modular components, integrated applicators, reusability, or enhanced mechanisms for storing and delivering multiple cosmetic products.

Personal Care Articles
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32since 2023
+22.2%YoY
Smart Cosmetic Application

Devices and systems that utilize sensors, AI, robotics, or advanced delivery mechanisms (e.g., electrostatic spraying) to precisely apply cosmetic substances, control application parameters, or personalize formulations based on user data.

Personal Care Articles
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16since 2023
0.0%YoY
Precision Dosing & Targeted Spraying

Systems and methods for accurately controlling the volume, location, and characteristics of sprayed fluids, often involving sensors, feedback, or specific nozzle geometries for precise application.

Spraying & Atomizing
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7since 2023
n/a
Integrated Dispensing Mechanisms

Containers or packaging components featuring active mechanisms for controlled release, preparation, or delivery of their contents, such as liquids, bulk materials, volatile compounds, or single-serve portions.

Containers & Packaging
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6since 2023
+300.0%YoY
Integrated Multi-Component Spray Systemsfiltered

Spraying devices designed to handle, mix, or independently dispense multiple distinct fluid components, often with mechanisms for selection, blending, or sequential application.

Spraying & Atomizing
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4since 2023
n/a
Spray-Based Cleaning & Disinfection

Systems specifically engineered to use sprayed liquids or aerosols for cleaning surfaces, removing residues, or distributing disinfectants in various environments.

Spraying & Atomizing
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3since 2023
n/a
Ergonomic Grooming Tool Design

Development of combs, brushes, and other manual or semi-manual personal care tools with novel structural features, materials, or ergonomic considerations to improve user experience, application effectiveness, or specialized grooming tasks.

Personal Care Articles
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2since 2023
+100.0%YoY
High-Barrier Packaging Films

Multi-layer polymer films engineered to provide superior barrier properties against gases (e.g., oxygen), moisture, or aromas, often incorporating heat-sealing or resealing mechanisms for food and product preservation.

Containers & Packaging
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1since 2023
new
Polymer Film and Membrane Fabrication

Techniques for manufacturing thin polymer layers, sheets, or multi-layer structures, often optimized for specific properties such as flexibility, barrier function, filtration, or mechanical strength.

Polymer Working & Compounding
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1since 2023
new
Portable and Compact Pump Devices

Design and engineering solutions for creating self-contained, mobile, or miniaturized pump systems, often incorporating battery power, ergonomic features, and integrated components for ease of use and transport.

Pumps (Positive Displacement)
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1since 2023
n/a
Pump Control and Efficiency

Techniques and systems for optimizing pump operation, including capacity modulation, energy management, pulsation reduction, and precise fluid dispensing to improve performance and reduce energy consumption.

Pumps (Positive Displacement)
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1since 2023
n/a

Patents

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