Company patents

MABUCHI MOTOR CO., LTD.

MABUCHI MOTOR CO., LTD.'s patent strategy reveals a strong, but recently fluctuating, core in "Electric Motors & Generators," which constitutes 50.8% of its portfolio, experiencing a 36.4% decline in 2025 and a further 14.3% decline so far in 2026. Surprisingly, while "Measurement (Non-specific)" and "Length / Distance Measurement" saw massive surges in 2024 (800.0% and 9 patents respectively), both categories have seen sharp declines since, indicating a potential shift away from these measurement technologies, while "Pumps (Centrifugal)" shows an emerging focus with a 50.0% growth 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.

61 US filings (since 2023) · 10 categories · 17 themes

Advanced Motor Topologies

Development of novel motor architectures beyond traditional radial flux designs, including linear, axial, or multi-armature configurations, often to optimize for specific performance characteristics like torque density or form factor.

Electric Motors & Generators
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21since 2023
-55.6%YoY
Stator & Coil Manufacturing

Manufacturing processes and techniques for producing stator cores, windings, and coils, including lamination, impregnation, hairpin winding, and segment coil bending, to improve motor efficiency, power density, or reliability.

Electric Motors & Generators
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16since 2023
-75.0%YoY
Magnetic Position Sensing

Methods and devices that determine the position, angle, or distance of an object by detecting changes in magnetic fields or inductive coupling.

Measurement (Non-specific)Length / Distance Measurement
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13since 2023
-80.0%YoY
Hybrid/Electric Drive Unit Design

Addresses the design and arrangement of electric motors, transmissions, and associated power electronics (like inverters) to form integrated drive units for hybrid or electric vehicles, including specific components like busbars and electric brakes.

Gearing & Transmissions
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11since 2023
0.0%YoY
Motor System Integration & Safety

Integration of electric motors into larger systems (e.g., vehicles, power tools) and safety features for high-voltage components, including control interfaces, mechanical integration, and environmental protection (e.g., waterproofing).

Electric Motors & Generators
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7since 2023
+200.0%YoY
Integrated Bearing Assemblies

Design and integration of bearings within larger mechanical systems or devices, focusing on mounting structures, housing, endplay management, and overall assembly for specific applications.

Bearings & Shafts
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6since 2023
-66.7%YoY
Advanced Impeller & Flow Path Design

Focuses on optimizing the geometry, structure, and internal flow channels of impellers, blades, and housings to improve fluid dynamics, efficiency, or specific performance characteristics of centrifugal pumps and fans.

Pumps (Centrifugal)
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5since 2023
+200.0%YoY
Advanced Gear & Drivetrain Designs

Novel configurations and materials for gears and drivetrain components, including specialized profiles, self-aligning features, damping elements, and complex gear train arrangements like planetary, cycloidal, or strain wave gearing.

Gearing & Transmissions
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4since 2023
new
Rolling Element Bearing Optimization

Improvements to the internal components and configurations of rolling element bearings, such as cage designs, separator materials, raceway geometry, or adjustable elements, to enhance performance or lifespan.

Bearings & Shafts
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4since 2023
-50.0%YoY
Pump & Fan Operational Control & Diagnostics

Systems and methods for monitoring, regulating, and diagnosing the performance and health of pumps and fans, including speed control, flow rate management, abnormality detection, and safety mechanisms like overspeed safeguards.

Pumps (Centrifugal)
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3since 2023
new
Capacitive Sensing & Compensationfiltered

Design and implementation of capacitive sensors, including methods for improving accuracy, reducing power consumption, compensating for environmental variations (like temperature), and analyzing complex displacement interactions.

Measurement (Non-specific)
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3since 2023
0.0%YoY
Specialized Fluid Handling Applications

Pumps and blowers specifically adapted or designed for unique fluid types, challenging environments, or particular industrial, medical, or consumer applications, often involving debris, specific gas mixtures, or precise delivery requirements.

Pumps (Centrifugal)
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3since 2023
0.0%YoY
Internal Content Protection

Structural elements within a container designed to secure, separate, cushion, or otherwise protect individual items or groups of contents from movement, shock, or damage.

Containers & Packaging
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3since 2023
-50.0%YoY
Busbar Systems for Power Distribution

Conductive bars or plates used for efficient power distribution within electrical apparatus, often featuring specific designs for connection, thermal management, or modularity to reduce material costs and increase rigidity.

Power Cable Installation
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2since 2023
new
Fluid & Air Bearing Systems

Bearings that utilize a pressurized gas or liquid film to create a non-contact support surface, reducing friction and wear, often incorporating specific flow restriction or airfoil designs.

Bearings & Shafts
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2since 2023
new
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
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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1since 2023
n/a

Patents

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