Company patents

LAPIS TECHNOLOGY CO., LTD.

LAPIS TECHNOLOGY CO., LTD. surprisingly shows a highly concentrated patent strategy, with Display Drivers accounting for 43.0% of its total portfolio, despite a significant decline of -57.7% in 2025 and -81.8% so far in 2026. This suggests a potential shift away from its core display technology, as other categories like Pulse / Digital Logic Circuits, Pictorial / Video Communications, and Electrical Measurement also experienced sharp declines in 2025 after rapid growth in 2024.

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.

223 US filings (since 2023) · 11 categories · 25 themes

Pixel and Gate Driver Architectures

Design and implementation of circuits and layouts for driving individual pixels or rows/columns of pixels, including gate drivers, data drivers, pixel driving circuits, and their integration onto the display substrate, often in non-display regions.

Display Drivers
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86since 2023
-52.2%YoY
Electrophoretic Display Control

Techniques for driving electrophoretic displays, including managing remnant voltage, optimizing particle movement, and specific addressing pulse schemes to improve optical quality and update speed.

Liquid Crystal & Optical Modulators
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67since 2023
-66.7%YoY
Advanced Image Processing for Displays

Algorithms and hardware implementations within display drivers or associated components to enhance visual quality, resolution, or color reproduction, including upscaling, dithering, and compensation for display artifacts like crosstalk.

Display Drivers
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59since 2023
-56.2%YoY
Display Timing and Signal Synchronization

Methods and circuits for coordinating the timing of display signals, data transmission, and control signals across various display components, ensuring proper image rendering and efficient operation.

Display Drivers
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54since 2023
-66.7%YoY
Power Switching & Drivers

Digital logic and control circuits for managing power delivery, driving various loads (e.g., inductive, display elements), converting power, and protecting against over-voltage or electrostatic discharge. Includes gate drivers for power FETs and voltage level shifters.

Pulse / Digital Logic Circuits
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32since 2023
-55.6%YoY
Display Power Management

Techniques and circuits for optimizing power consumption, voltage stability, and energy efficiency in display panels, often involving dynamic voltage scaling, duty cycle control, or remnant voltage management.

Display Drivers
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25since 2023
-53.3%YoY
Semiconductor Electrical Test

Techniques and apparatus for electrically testing semiconductor devices, integrated circuits, or wafers during manufacturing or post-assembly, including built-in self-test (BIST) and contact reliability assessment.

Electrical Measurement
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19since 2023
-72.7%YoY
Video Quality & Encoding Optimization

Methods and apparatus for improving the visual fidelity, resolution, or compression efficiency of video signals, often through advanced processing, up-scaling, or neural network-based filters.

Pictorial / Video Communications
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14since 2023
-66.7%YoY
Video Enhancement & Object Tracking

Methods and systems for improving the quality of video streams, generating intermediate frames, or continuously locating and following objects within a sequence of images, even under occlusion.

Image Processing
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14since 2023
-57.1%YoY
High-Speed Clock & Datafiltered

Circuits and techniques for generating, synchronizing, interpolating, and recovering high-frequency clock signals and high-speed data streams, often involving reduced propagation delay, multi-level signaling, and robust sampling mechanisms.

Pulse / Digital Logic Circuits
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9since 2023
+50.0%YoY
Analog Sensing Interfaces

Digital logic circuits designed to interface with analog sensors or signals, including comparators, input buffers, differential input stages, and logic for processing sensor outputs (e.g., capacitance, optical, touch) for detection or measurement.

Pulse / Digital Logic Circuits
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7since 2023
-66.7%YoY
Battery Management Systems

Software, algorithms, and associated hardware for monitoring, controlling, and optimizing battery performance, safety, and lifespan, including charge/discharge cycles, thermal regulation, and system integration.

Electrical Measurement
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5since 2023
n/a
Power Consumption & Current Sensing

Devices and methods for accurately measuring or monitoring electrical current draw and power usage in various systems, often for control, optimization, or safety purposes.

Electrical Measurement
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5since 2023
n/a
Amplifier Error & Offset Correction

Methods and circuits to detect and compensate for various imperfections in amplifier operation, such as DC offset, gain errors, phase errors, duty-cycle errors, or input error components, to improve accuracy and signal integrity.

Amplifiers
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4since 2023
n/a
Control & Stability for Power Converters

Techniques and circuits designed to regulate output, manage input variations, mitigate resonance, or ensure stable operation of power converters under diverse load and source conditions. This includes adaptive, predictive, or fault-tolerant control schemes.

Power Conversion (DC/AC, DC/DC)
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3since 2023
-50.0%YoY
High-Performance ADC/DAC Architectures

Focuses on the architectural and circuit-level innovations for Analog-to-Digital Converters (ADCs) and Digital-to-Analog Converters (DACs) to improve speed, accuracy, linearity, and power efficiency. Includes specific types like SAR and Delta-Sigma, and their constituent components.

Coding & Decoding
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3since 2023
n/a
Reconfigurable & Programmable Amplifiers

Amplifier designs that allow for dynamic adjustment of their operating characteristics, such as gain, impedance, or amplification path, based on control signals, input conditions, or desired performance modes.

Amplifiers
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2since 2023
0.0%YoY
3D Die Stacking & Vertical Interconnects

Techniques for stacking multiple semiconductor dies or active layers vertically to achieve higher density and shorter interconnections, often utilizing through-silicon vias (TSVs) or other vertical conductive paths like through-hole electrodes.

Chip-to-Chip Interconnect (Bonding, Bumps)
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2since 2023
0.0%YoY
Interconnect Materials & Reliability

Development of novel materials and designs for bonding, sealing, and underfill applications, focusing on improving mechanical integrity, electrical performance, and preventing defects like cracks or delamination in chip-to-chip connections.

Chip-to-Chip Interconnect (Bonding, Bumps)
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2since 2023
0.0%YoY
Motor System Fault Detection

Methods and systems for identifying anomalies, failures, or impending issues within electric motors or their associated drive and power management circuits, often by monitoring electrical or operational parameters.

Electrical Measurement
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2since 2023
n/a
Transimpedance & Transconductance Amplifiers

Specialized amplifier types designed for converting current to voltage (transimpedance) or voltage to current (transconductance), often featuring virtual ground configurations, precise gain setting, and compensation for input/output characteristics.

Amplifiers
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2since 2023
n/a
Quantum Control Circuits

Specialized digital and mixed-signal circuits for controlling and reading out quantum bits (qubits), including generating precise modulated RF signals and integrating with photonic components for quantum operations.

Pulse / Digital Logic Circuits
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1since 2023
new
Advanced Material Characterization

Techniques and systems for precisely measuring electrical or electromagnetic properties of materials or components, often involving specialized resonators, waveguides, or multi-range measurement systems to ensure accuracy.

Electrical Measurement
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1since 2023
n/a
Advanced Power Converter Topologies

Focuses on novel circuit configurations for DC-DC, DC-AC, or AC-DC conversion, often involving resonant operation, multi-level structures, or switched capacitors to improve efficiency, power density, or voltage conversion ratios.

Power Conversion (DC/AC, DC/DC)
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1since 2023
n/a
Wearable & Mobile Interaction

Designing user interfaces and interaction methods specifically for mobile or wearable devices, enabling control of external systems, monitoring user states, or facilitating real-world transactions.

Input/Output & User Interfaces
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1since 2023
n/a

Patents

Showing 1-10 of 12

High-Speed Clock & Data
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