UnfoldIPThemes

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 Sprayingfiltered

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 Systems

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

Showing 1-8 of 8

Precision Dosing & Targeted Spraying
Page 1 of 1
US 12097515 B2GRANTED
B05B11/10

Container for spraying liquid

Filed:2021-07-07Pub:2024-09-24
Applicant:SAMHWA CO., LTD

A container for spraying liquid is disclosed, which includes: a tube having a filling space; a body in which the tube is inserted, where the outer perimeter of the tube and the inner perimeter of the body form a body outlet passage, a lower tube hole is formed at a bottom of the tube as an entrance to the body outlet passage, and an upper movement hole is formed at a top of the body as an exit from the body outlet passage; a body cover coupled to the top of the body, where the body cover includes a cover channel connecting with the upper movement hole and a pump insertion space connecting with the cover channel and receiving a pump inserted therein; and a pump support coupled to the top of the body cover and supporting the pump to block outside air from entering the pump insertion space.

US 11857986 B2GRANTED
B05B11/10

Tubeless dispenser container

Filed:2022-06-07Pub:2024-01-02
Applicant:SAMHWA CO., LTD

A tubeless dispenser container is disclosed, which includes: a bottle part in which the filling space is formed and in an upper surface of which a supply hole for allowing a flow of the content and an air hole for allowing an inflow of air are formed; a connector part that is coupled to an upper portion of the bottle part to spatially separate the supply hole from the air hole; and a pump part that is secured to a designated position of the connector part and is configured to suction and dispense the content supplied through the supply hole, where the bottle part has a hollow channel part formed on an inner wall thereof at one side, with the channel part having one end opening to a lower portion of the filling space and the other end opening to an upper portion of the filling space.

US 20230330691 A1APPLICATION
B05B11/10

CONTAINER FOR SPRAYING LIQUID

Filed:2020-12-18Pub:2023-10-19
Applicant:SAMHWA CO., LTD

A container for spraying a liquid is disclosed. The container comprises: a body having a filling space and a body outlet channel formed by a partition provided on one side, where contents within the filling space flow through the lower part of the partition into the body outlet channel, and an upper body hole corresponding to an exit of the body outlet channel is formed in an upper portion of the partition; a cover channel coupled to the upper portion of the body and communicating with the upper body hole; a body cover communicating with the cover channel and having a pump insertion space for holding a pump; a pump support coupled to the upper portion of the body cover to support the pump; and a shoulder coupled to an upper portion of the pump support to press the pump support and the pump downward toward the body.

US 20230330690 A1APPLICATION
B05B11/10

CONTAINER FOR SPRAYING LIQUID

Filed:2020-12-18Pub:2023-10-19
Applicant:SAMHWA CO., LTD

A container for spraying liquid is disclosed. The container for spraying liquid comprises: a body, which is divided into a filling space and a body outflow channel by a partition provided therein in the longitudinal direction, has, at the lower portion of the partition, a lower body hole corresponding to an inlet of the body outflow channel, and has, at the upper portion of the partition, an upper body hole corresponding to an outlet of the body outflow channel; a body cover which is coupled to the upper portion of the body, and which has a cover channel allowing communication with the upper body hole, and a pump insertion space communicating with the cover channel and having a pump inserted therein; and a pump support, which is coupled to the upper portion of the body cover, supports the pump, and blocks external air from entering the pump insertion space.

US 11731150 B2GRANTED
B05B11/00

Tubeless dispenser container

Filed:2022-06-07Pub:2023-08-22
Applicant:SAMHWA CO., LTD

Disclosed is a tubeless dispenser container. A tubeless dispenser container according to one aspect of the invention is a tubeless dispenser container for dispensing a content held in a filling space and includes: a bottle part in which the filling space is formed and which has a supply hole, for allowing a flow of the content, and an air hole, for allowing an inflow of air, formed in its upper surface; a connector part coupled to an upper portion of the bottle part to spatially separate the supply hole from the air hole; and a pump part that is secured to a designated position of the connector part and configured to suction and dispense the content supplied through the supply hole, where a supply channel connecting a lower portion of the filling space with the supply hole may be formed in the bottle part.

US 20230115060 A1APPLICATION
B05B11/00

TUBELESS DISPENSER CONTAINER

Filed:2022-06-07Pub:2023-04-13
Applicant:SAMHWA CO., LTD

Disclosed is a tubeless dispenser container. A tubeless dispenser container according to one aspect of the invention is a tubeless dispenser container for dispensing a content held in a filling space and includes: a bottle part in which the filling space is formed and which has a supply hole, for allowing a flow of the content, and an air hole, for allowing an inflow of air, formed in its upper surface; a connector part coupled to an upper portion of the bottle part to spatially separate the supply hole from the air hole; and a pump part that is secured to a designated position of the connector part and configured to suction and dispense the content supplied through the supply hole, where a supply channel connecting a lower portion of the filling space with the supply hole may be formed in the bottle part.

US 20230112709 A1APPLICATION
B05B11/00

TUBELESS DISPENSER CONTAINER

Filed:2022-06-07Pub:2023-04-13
Applicant:SAMHWA CO., LTD

A tubeless dispenser container is disclosed, which includes: a bottle part in which the filling space is formed and in an upper surface of which a supply hole for allowing a flow of the content and an air hole for allowing an inflow of air are formed; a connector part that is coupled to an upper portion of the bottle part to spatially separate the supply hole from the air hole; and a pump part that is secured to a designated position of the connector part and is configured to suction and dispense the content supplied through the supply hole, where the bottle part has a hollow channel part formed on an inner wall thereof at one side, with the channel part having one end opening to a lower portion of the filling space and the other end opening to an upper portion of the filling space.

US 20220072573 A1APPLICATION
B05B11/00

CONTAINER FOR SPRAYING LIQUID

Filed:2021-07-07Pub:2022-03-10
Applicant:SAMHWA CO., LTD

A container for spraying liquid is disclosed, which includes: a tube having a filling space; a body in which the tube is inserted, where the outer perimeter of the tube and the inner perimeter of the body form a body outlet passage, a lower tube hole is formed at a bottom of the tube as an entrance to the body outlet passage, and an upper movement hole is formed at a top of the body as an exit from the body outlet passage; a body cover coupled to the top of the body, where the body cover includes a cover channel connecting with the upper movement hole and a pump insertion space connecting with the cover channel and receiving a pump inserted therein; and a pump support coupled to the top of the body cover and supporting the pump to block outside air from entering the pump insertion space.

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