Company patents
Ricoh Company, Ltd.
Ricoh Company Ltd. shows a surprising shift in its patent strategy, with a significant decline in its traditionally strong areas like Electrography (Xerography) and Printers & Typewriters, which together represent over 40% of its portfolio, experiencing YoY drops of -62.4% and -60.4% respectively so far in 2026. This contrasts with an emerging focus on Image Processing, which saw a robust +73.9% YoY growth in 2024, and Business Methods & Fintech, which grew by +83.3% YoY in 2024, indicating a strategic pivot towards software and service-oriented innovations.
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.
2,751 US filings (since 2023) · 12 categories · 43 themes
Techniques and apparatuses for enabling specialized printing applications beyond standard color reproduction, such as forming toner images specifically for adhering foil onto sheets.
Systems and methods for controlling temperature within image forming apparatuses, particularly for fixing devices, and during printer operation or shutdown, to ensure optimal performance, energy efficiency, and component longevity.
Systems that perform operations like cutting, folding, binding, or applying liquids to sheets or webs, often integrated within larger production lines such as printing or image forming apparatuses.
Mechanisms and control systems for reliably feeding, conveying, and separating print media, including managing media roll changes, adjusting airflow, and adapting to different media characteristics.
Mechanisms and sensors for accurately conveying, positioning, loading, and managing various types of recording media (e.g., paper, fabric, labels) through a printing apparatus, and detecting their presence, type, or potential collision.
Innovations in the design and arrangement of piezoelectric or thermal actuators, drive electronics, and fluidic structures within the printhead to achieve precise and efficient liquid ejection.
Technologies for precisely controlling the timing and volume of liquid droplet ejection, and for real-time or post-ejection monitoring of droplet trajectory, velocity, and nozzle health to maintain print accuracy and quality.
Mechanisms and methods for preventing or removing clogs, ink residue, or contaminants from printhead nozzles and surfaces to ensure consistent print quality and extend printhead lifespan.
Systems and methods for maintaining and improving the quality of printed images, encompassing adjustments to developing bias based on environmental conditions, paper characteristic detection, and color profile generation.
Design aspects of user-replaceable cartridges or containers for printing consumables (e.g., ink, tape, labels) that facilitate easy installation, proper positioning, type identification, and reliable supply to the printer.
Technologies for maintaining the correct path and alignment of webs or individual sheets during conveyance, including mechanisms for steering, correcting positional deviations, and managing static electricity.
Systems and components for storing, delivering, circulating, and managing printing liquids (e.g., ink) to the printhead, often including features for pressure regulation, filtration, degassing, and balancing liquid levels.
Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.
Innovations in the chemical and physical properties of toner particles, including binder resins, waxes, colorants, and inorganic additives, to optimize performance, production, and environmental characteristics.
Advancements in the structure, materials, and electrical characteristics of electrophotographic photosensitive members, focusing on photosensitive layers, conductive supports, protection layers, and their impedance properties.
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.
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.
Novel formulations and mechanisms for initiating or controlling the polymerization and cross-linking of adhesives, including dual-curing systems, radical polymerization, and partial curing for tailored material properties.
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.
Technologies that create dynamic and interactive visual content for displays, including virtual/wearable systems, by generating overlays, replacing input streams, or merging real-time user actions with digital environments.
Systems and methods for uniquely identifying, tracking, and managing physical items using scannable codes (barcodes, QR codes) or wireless tags (RFID, IoT devices) to link physical objects to digital information, inventory, or services.
Polymer compositions incorporating inorganic or organic filler materials to impart specific functional properties such as thermal conductivity, flame retardancy, electrical conductivity, or enhanced mechanical strength and dimensional stability.
Systems that combine light sources, waveguides, and display elements into unified products for backlighting, automotive applications, general lighting, or color-corrected displays.
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.
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.
Methods and apparatus for detecting objects and determining their three-dimensional position and orientation (pose) using imagery or point cloud data, often for navigation, surveying, or environmental understanding.
Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.
Safety features and interlock mechanisms designed to prevent hazards during printer operation or maintenance, such as automatic power cut-offs for heating elements when access covers are opened.
Systems and methods utilizing artificial intelligence, particularly large language models and neural networks, to extract, summarize, generate, or categorize information from unstructured or semi-structured data sources.
Development of sophisticated optical lens assemblies and computational methods to achieve high-resolution, precise, or specialized imaging, often for medical or scientific applications.
User interface designs and systems that enable multiple users to interact with shared content, provide feedback, or coordinate activities, often across different devices or locations.
Techniques for rendering, interacting with, and managing content within augmented or virtual reality environments, including spatial tracking, gaze interaction, and dynamic multi-application display management.
Utilizing machine learning, particularly deep learning, to analyze medical data such as images, sensor readings, or physiological signals for disease prediction, diagnosis, or treatment assessment.
Methods and systems for integrating, transforming, and managing complex or domain-specific data from disparate sources into a unified structure, often for specific applications like social networks, genomics, or business forms.
Processes for creating or manipulating three-dimensional digital representations of objects or environments, including mesh generation, surface fitting, and depth estimation from multiple views.
Apparatus and methods for automatically winding or unwinding continuous materials such as webs, cables, conduits, or yarns onto or from spools, reels, or bobbins, including aspects like layering, coreless winding, and material supply.
Systems that process data to provide personalized recommendations, predict events, or automate decision-making processes based on learned patterns, user behavior, or environmental factors.
Additives or compositions specifically formulated for surface application or modification to impart protective, decorative, or specialized functional properties to polymer products.
Systems that use user data, preferences, and machine learning to generate tailored advice, product recommendations, goal-setting plans, or contextual information for individuals across different domains.
Techniques for combining data from disparate sensor types (e.g., cameras, radar, mobile device signals) to achieve a more robust and comprehensive understanding of an environment or subject, often leveraging machine learning for interpretation and correlation.
Systems and methods for precisely measuring, monitoring, and regulating the longitudinal tension in continuous webs of material during roll-to-roll processes to prevent defects, reduce waste, and ensure consistent product quality.
Techniques utilizing deep learning models like Generative Adversarial Networks (GANs) or diffusion models to create new images, modify existing ones, or generate synthetic data based on various inputs or conditions.
Techniques and hardware for autonomous systems to gather and interpret data about their surroundings, including obstacle detection, object recognition, and depth estimation, to inform control decisions.
Patents
Showing 1-10 of 149
Electrophotographic Photoreceptor Design