Company patents
LARGAN PRECISION CO., LTD.
LARGAN PRECISION CO., LTD. maintains an overwhelming focus on "Optical Elements & Systems," which accounts for 93.5% of its total patent portfolio, showing a slight decline of 9.7% in 2025. While "Photographic Apparatus" saw a significant 75.0% growth in 2024, it appears to be a shifting priority with a 18.4% decline in 2025 and a 50.0% decline so far in 2026, alongside a notable 100.0% growth in "Electric Motors & Generators" in 2026, albeit from a small base.
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.
825 US filings (since 2023) · 11 categories · 12 themes
Development of sophisticated optical lens assemblies and computational methods to achieve high-resolution, precise, or specialized imaging, often for medical or scientific applications.
Mechanisms and control systems for precise movement of optical lens elements, often for autofocus, zoom, or image stabilization, utilizing various driving principles (e.g., piezoelectric) and low-friction components.
Camera assemblies specifically designed for integration into vehicles, addressing challenges like mounting, field of view coverage, environmental robustness, and specialized imaging (e.g., near-infrared) for autonomous driving or safety.
Manufacturing methods for optical components such as lenses, waveguides, films, and filters, requiring high precision in molding, surface treatment, or material composition to achieve specific optical properties like refractive index, microstructures, or tinting.
Systems that combine data from multiple camera sensors or capture multiple images from different perspectives or qualities, often involving image processing techniques like synthesis to create enhanced or comprehensive views.
Mechanical structures and devices designed to support, stabilize, or mount cameras and related photographic equipment, often featuring quick-release mechanisms, damping, or adjustable components.
Optical systems and components specifically designed for head-mounted displays, augmented reality (AR) glasses, and virtual reality (VR) headsets, focusing on image projection, waveguide integration, and display durability.
Systems and components for projecting images, including light sources (e.g., laser), optical modulation elements (e.g., metasurfaces, spatial modulators), and optical paths for generating and displaying images.
Engineering solutions for creating electronic devices with bendable, foldable, or stretchable form factors, often involving hinges, flexible displays, and sliding mechanisms to enable dynamic physical configurations.
Layout, material composition, and structural arrangement of photoelectric conversion elements and associated circuitry within image sensor arrays, including infrared detectors and back-side illuminated structures.
Engineering of artificial subwavelength structures (meta-atoms) to create metasurfaces that manipulate light properties (phase, polarization, wavelength) for multi-functional optical devices.
Systems that combine light sources, waveguides, and display elements into unified products for backlighting, automotive applications, general lighting, or color-corrected displays.
Patents
Showing 1-7 of 7
Image Sensor Pixel & Array Design