Company patents
TIANMA JAPAN, LTD.
TIANMA JAPAN, LTD. demonstrates a surprising shift in its patent strategy, with a significant focus on "Material & Chemical Analysis" representing 38.2% of its portfolio, despite a volatile yearly trend including a 75.0% decline so far in 2026. Concurrently, the company appears to be deprioritizing traditional semiconductor areas like "Integrated Circuit Layout & Arrangement" and "Transistor & Device Structure," which have seen sharp declines of 100.0% and 100.0% respectively in 2026, while emerging areas like "Display Drivers" and "Organic Electronics (OLED)" are showing rapid growth with 100.0% and new activity in 2026, respectively.
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.
55 US filings (since 2023) · 12 categories · 22 themes
Methods and compositions for identifying, quantifying, or characterizing specific biological molecules (e.g., nucleic acids, proteins, metabolites, antibodies) or microbial species, often for diagnostic, prognostic, or quality control applications.
Focuses on advanced pixel architectures, often involving vertical stacking (3D) or silicon-on-insulator (SOI) structures, to improve performance, density, or functionality of photodiodes, transistors, and floating diffusion regions within image sensor pixels.
Integration of various sensor types (e.g., thermal, strain) or display components directly onto semiconductor substrates or within device architectures for compact and high-performance systems.
Techniques and structural designs for fabricating the physical layers of an OLED display, including material deposition, patterning, and methods to protect the active organic layers from environmental degradation like moisture and oxygen.
Design and integration of thermoelectric modules for converting heat into electricity (power generation) or using electricity for cooling/heating, often involving p-type/n-type semiconductor pellets and waste heat recovery.
Innovations in backlight units, optical films, and light management structures to enhance display performance, uniformity, viewing experience, or specific functionalities like touch.
Techniques for driving electrophoretic displays, including managing remnant voltage, optimizing particle movement, and specific addressing pulse schemes to improve optical quality and update speed.
Image sensors tailored for specific advanced functionalities beyond basic image capture, such as high dynamic range (HDR) imaging, single-photon detection, auto-focus, or distance measurement (LiDAR), often incorporating specialized pixel designs or processing.
Self-contained or modular devices designed to automate and integrate multiple steps of molecular diagnostic assays, from sample preparation to result interpretation, often for point-of-care or high-throughput applications.
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.
Development of memory cells utilizing resistive switching or phase-change materials, including novel material compositions, multi-layered structures, and integration with selector devices like bipolar junction transistors, to achieve non-volatile storage.
Focuses on novel semiconductor materials, heterostructures, and doping profiles to improve photovoltaic conversion efficiency, stability, and spectral response.
Development and optimization of organic chemical compounds and their structures, including guest-host systems and metal complexes, used within the emission layer to achieve specific light emission characteristics such as color, efficiency, and operational lifetime.
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.
Focuses on the design and manufacturing of transistors where the gate material fully encircles the channel, often using nanosheets or fins, to improve electrostatic control and reduce short-channel effects.
Physical layout and material composition of individual pixels within a display panel, including active layers, electrodes, light-emitting elements (LEDs, OLEDs), and associated thin-film transistors (TFTs).
Focuses on the design, fabrication, and application of piezoelectric materials and devices for sensing, actuation, or wave generation, including material properties, single crystal growth, and protective layers.
Miniaturized devices that manipulate small volumes of fluids (nanoliters to picoliters) through microchannels to perform laboratory functions like mixing, separation, reaction, and detection on a single chip.
Novel materials and processes for forming low-resistance electrical contacts and interconnects within semiconductor devices, including selective deposition, silicidation, and barrier layers for improved performance and scaling.
Advanced techniques for forming and optimizing gate dielectrics, work function layers, and other dielectric layers within transistor structures to improve performance, reliability, and scaling.
Methods and structures for incorporating touch sensing capabilities directly into OLED display panels, typically involving conductive layers and insulating layers within or on top of the display stack.
Structural innovations in individual transistors, such as fin-based field-effect transistors (FinFETs), 3D gate structures, or multi-layer active regions, aimed at improving performance or density.
Patents
Showing 1-10 of 20
Electrophoretic Display Control