Company patents
HARMONIC DRIVE SYSTEMS INC.
HARMONIC DRIVE SYSTEMS INC. surprisingly shows a significant decline in its core 'Gearing & Transmissions' category, which represents 76.5% of its portfolio, with a -84.6% YoY drop so far in 2026 after a -43.5% decline in 2025, suggesting a potential shift away from its traditional focus, while 'Force / Pressure Measurement' emerged as a rapidly growing area with a +200.0% YoY increase in 2025.
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.
68 US filings (since 2023) · 8 categories · 22 themes
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.
Designs and components for efficiently supplying, collecting, and managing lubricants (oil, grease) within gearboxes and transmissions to reduce friction, dissipate heat, and extend component operational life.
Methods and components for converting power into mechanical motion to drive pump mechanisms, encompassing electric motors, hydraulic actuators, and specialized motion converters like ball screws or solenoids.
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.
Devices and methodologies for precisely measuring rotational force (torque) or linear pulling force (tension) within mechanical systems, frequently incorporating compensation for environmental variables like temperature.
Mechanisms that convert rotational input (typically from an electric motor) into precise linear output motion, often employing screw-nut assemblies, ball screws, or cam-follower systems for various applications.
Design and integration of bearings within larger mechanical systems or devices, focusing on mounting structures, housing, endplay management, and overall assembly for specific applications.
Utilizes optical fibers, often incorporating Fiber Bragg Gratings (FBG), to detect changes in strain, pressure, or temperature based on modifications to light signals (e.g., wavelength shifts, phase changes) transmitted through the fiber.
Actuators, control, and components for converting electrical energy into braking force, often involving motors, spindles, and friction elements, particularly for vehicle applications.
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.
Methods and devices that determine the position, angle, or distance of an object by detecting changes in magnetic fields or inductive coupling.
Components and designs focused on preventing ingress of contaminants (e.g., dirt, water) or egress of lubricants from bearing systems, often using elastic seals, shields, or labyrinth structures.
Techniques and systems utilizing laser beams for precise material modification, including cutting, cladding, ablation, and surface treatment, often for joining, shaping, or removing material.
Design and features of welding and soldering tools, fixtures, and accessories that enhance user safety, ergonomics, operational efficiency, and precise workpiece manipulation, including protective equipment and clamping mechanisms.
Systems and methods for precisely controlling welding parameters such as power, speed, oscillation, and material feed to optimize weld quality, consistency, and efficiency, often involving automated or semi-automated processes.
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.
Transmissions designed to provide a continuous range of gear ratios between fixed limits, often employing ball-planetary, toroidal, or belt-pulley mechanisms, and including their control systems for stable operation in various directions.
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.
Sensors and systems designed to detect and quantify localized contact forces, pressure distribution, or touch interactions, often employed in robotics, human-machine interfaces, or object manipulation applications.
Systems and methods that utilize optical fibers as sensing elements or for transmitting sensing signals, often for distributed monitoring of environmental conditions, phase changes, or integrating sensing with communication.
Integration of optical sensors, particularly for biometrics or other surface interactions, beneath a display or protective cover, requiring specialized optical paths, illumination, and packaging.
Systems and methods for accurately measuring and compensating for position, orientation, and movement errors in mechanical systems, often for manufacturing, robotics, or optical alignment.
Patents
Showing 1-10 of 120