Company patents

NIPRO CORPORATION

NIPRO CORPORATION's patent strategy is heavily concentrated in medical devices, with Drug Delivery Devices representing a significant 40.4% of its portfolio, though patenting in this area has seen a sharp decline of -78.6% so far in 2026. Surprisingly, while Pharmacy Containers / Devices and Pharmaceutical Preparations show declining patent activity, the company has shown an emerging focus in Electrotherapy / Radiation Therapy, which saw a remarkable 300.0% year-over-year growth in 2025 before a decline so far in 2026.

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.

109 US filings (since 2023) · 11 categories · 27 themes

Closed-System Fluid Transfer

Devices and adapters that enable the sterile and secure transfer of liquids, such as medications or diluents, between containers (vials, syringes, IV bags) while minimizing exposure to contaminants or air.

Pharmacy Containers / Devices
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21since 2023
0.0%YoY
Catheter-based Intervention Devices

Minimally invasive medical devices, typically flexible tubes, inserted into body lumens to deliver substances, remove obstructions, or perform localized treatments like ablation, dialysis, or drainage.

Drug Delivery Devices
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15since 2023
-40.0%YoY
Interventional Device Materials & Design

Engineering and material considerations for devices used in minimally invasive procedures, focusing on mechanical properties, deployment mechanisms, and interaction with biological tissues.

Sterilization & Biocompatible Materials
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14since 2023
-16.7%YoY
Automated Injector Mechanisms

Mechanical or electromechanical systems designed for precise, often self-administered, delivery of medicaments, including features for dose setting, needle insertion/retraction, and safety mechanisms to prevent premature activation.

Drug Delivery Devices
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12since 2023
+500.0%YoY
Adaptive & Wearable Bio-Stimulation

Systems that provide therapeutic stimulation or field therapy through wearable devices, often incorporating physiological sensing and closed-loop feedback for personalized and adaptive treatment.

Electrotherapy / Radiation Therapy
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8since 2023
+400.0%YoY
Vascular & Cardiac Implants

Implantable devices designed to repair, replace, or assist the function of blood vessels or heart structures, including stents, valves, and annuloplasty rings.

Implants & Prosthetics
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8since 2023
+400.0%YoY
Medical Dialysis Membranes

Hollow-fiber and flat-sheet membranes for blood purification, hemodialysis, hemofiltration, and related extracorporeal therapies.

Drug Delivery Devices
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8since 2023
-50.0%YoY
Interventional & Implantable Therapies

Design and application of devices that are inserted into the body or implanted to treat diseases, modulate physiological functions, or repair anatomical structures.

Medical Diagnostics & Surgery
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7since 2023
-33.3%YoY
Therapeutic Electromagnetic Fields

Use of alternating electric or magnetic fields at specific frequencies and intensities to achieve therapeutic effects, such as inhibiting cell proliferation (e.g., cancer) or modulating cytokine production.

Electrotherapy / Radiation Therapy
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5since 2023
+300.0%YoY
Glass-Ceramic Formation

Methods for producing glass-ceramic articles through controlled nucleation and crystallization processes, often involving specific thermal treatments to achieve desired microstructures and properties like strength or dimensional stability.

Glass & Glass-Ceramics
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4since 2023
0.0%YoY
Biocompatible Scaffolds & Implants

Materials and structures designed for implantation or tissue regeneration, focusing on properties like biodegradability, mechanical strength, cellular integration, and long-term in-vivo stability.

Sterilization & Biocompatible Materials
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3since 2023
+300.0%YoY
Respiratory Therapy Devices

Systems and devices for delivering gases, aerosols, or pressure support to the respiratory system, often including interfaces like masks and sophisticated control mechanisms for therapeutic effect or airway management.

Drug Delivery Devices
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2since 2023
new
Chemically Strengthened Glass

Glass articles treated with ion exchange or other chemical processes to induce a surface compressive stress layer, enhancing mechanical strength, scratch resistance, and impact toughness.

Glass & Glass-Ceramics
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2since 2023
new
Glass Surface Functionalization

Application of coatings, layers, or chemical treatments to the surface of glass articles to impart specific functionalities such as UV blocking, anti-whitening, hydrophobicity, or adhesion for subsequent layers.

Glass & Glass-Ceramics
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2since 2023
new
Vacuum Insulated Glass Panels

Design and manufacturing of multi-pane glass units with an evacuated gap and specialized sealing technologies to provide superior thermal insulation for architectural or appliance applications.

Glass & Glass-Ceramics
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2since 2023
new
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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2since 2023
new
High-Barrier Packaging Films

Multi-layer polymer films engineered to provide superior barrier properties against gases (e.g., oxygen), moisture, or aromas, often incorporating heat-sealing or resealing mechanisms for food and product preservation.

Containers & Packaging
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2since 2023
n/a
Internal Content Protection

Structural elements within a container designed to secure, separate, cushion, or otherwise protect individual items or groups of contents from movement, shock, or damage.

Containers & Packaging
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2since 2023
n/a
Water & Wastewater Membrane Treatment

Membrane-based separation for water purification, contaminant removal, desalination, and wastewater treatment, including reverse osmosis, ultrafiltration, and forward osmosis modules.

Separation Processes (Filtration, Distillation)
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2since 2023
n/a
Advanced Cell & Gene Therapies

Development of therapeutic approaches involving the genetic modification of cells (e.g., T cells, stem cells, macrophages) or the use of viral/non-viral vectors to deliver genetic material for disease treatment.

Pharmaceutical Preparations
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2since 2023
n/a
Medical Sterilization Technologies

Methods and apparatus for disinfecting or sterilizing medical devices, waste, or environments, often employing radiation, chemical agents, or thermal processes, and including monitoring systems.

Sterilization & Biocompatible Materials
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1since 2023
new
Surgical Instrument Mechanisms

Focuses on the mechanical design, articulation, and actuation of hand-held or robotic surgical instruments, including improvements in stapling, cutting, grasping, and tissue manipulation.

Medical Diagnostics & Surgery
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1since 2023
new
Orthopedic & Spinal Implants

Implantable devices used for the fixation, fusion, or replacement of bone structures, particularly in the spine and extremities.

Implants & Prosthetics
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1since 2023
new
Thin & Flexible Glass Substrates

Manufacturing and processing techniques for producing ultra-thin glass articles, often with enhanced flexibility and mechanical properties, suitable for use as substrates in electronic displays, foldable devices, or other advanced electronics.

Glass & Glass-Ceramics
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1since 2023
new
Automated Drug Dispensing

Devices or systems designed to precisely measure and deliver specific doses of medication, often incorporating automated mechanisms, dose-limiting features, or hands-free operation.

Pharmacy Containers / Devices
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1since 2023
n/a
Gas Stream Purification

Technologies and systems for removing unwanted components or separating desired gases from a mixed gas stream, including adsorption, absorption, and membrane-based methods.

Separation Processes (Filtration, Distillation)
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1since 2023
n/a
Targeted Drug Formulation Delivery

Delivery systems specifically engineered to administer advanced drug formulations (e.g., microparticles, biologics, extended-release systems) to achieve precise targeting, controlled release kinetics, or enhanced therapeutic efficacy within the body.

Pharmaceutical Preparations
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1since 2023
n/a

Patents

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