Patents and Certifications | APAQ: World’s Largest Producer of Radial Lead Polymer Capacitors

APAQ Patents | APAQ has been dedicated to researching high-conductivity polymer material capacitors and has amassed extensive production experience.

APAQ Patents

Patents and Certifications

APAQ TECHNOLOGY CO., LTD focuses on four core elements in its research and development: Basic Science Knowledge, Process Development, Properties of Functional Products, and Market Demand. The R&D process begins by understanding customer needs and downstream product applications, aiming to develop cost-competitive process technologies tailored to the characteristics of customer-required products. Over the years, in addition to collaborations with academic institutions, the company has established close partnerships with upstream and downstream suppliers, continuously enhancing the performance and technological aspects of new products to maintain a leadership position in the market.


The number of patent applications has shown a steady increase, covering areas such as soluble nano-particle solutions, capacitor encapsulation structures, methods for forming polymer composite materials on capacitor elements, capacitor structures, and manufacturing methods, winding-type capacitor encapsulation structures, solid-state capacitors, integrated circuit products, electronic products, and capacitor encapsulation technologies, among others.

Name Patent Office Download
Capacitor Testing System and Active Pin Module CN-Invention File
Capacitor Package Structure Without Negative Foil CN-Invention File
Low Leakage Electrolytic Capacitor CN-Invention File
Capacitor Package Structure CN-Invention File
Multilayer Stacking Equipment and Film Capacitor Method CN-Invention File
Multilayer Stacking Equipment and Film Capacitor Method CN-Invention File
Lithium Battery Structure and Negative Foil CN-Invention File
Capacitor Package and Manufacturing Method CN-Invention File
Conductive Polymer Dispersion and Capacitor Package CN-Invention File
Wound Capacitor Component Structure Strength Method CN-Invention File
Wound Capacitor Package and Method CN-Invention File
Wound Capacitor Package and Seal CN-Utility File
Stacked Solid Electrolytic Capacitor and Method TW-Invention File
Capacitor Testing System and Stress Release Pin Device TW-Invention File
Color Changing Capacitor Package and Case Structure TW-Invention File
Film Capacitor and Method TW-Invention File
Stacked Solid Capacitor Package and Method TW-Invention File
Stacked Solid Capacitor Improved Welding Method TW-Invention File
Solid Capacitor Package Improved Electrical Performance TW-Invention File
Polymer Composite and Capacitor Package Method TW-Invention File
Capacitor Package and Antioxidant Composite Electrode Foil TW-Invention File
Conductive Polymer Dispersion and Capacitor Package TW-Invention File
Shield Film and Manufacturing Method TW-Invention File
Functional Coating Capacitor Package and Method TW-Invention File
Soluble Nano Particles Solution and Capacitor Package TW-Invention File
Printable Conductive Paste Capacitor and Method TW-Invention File
Wound Capacitor Component Structure Strength Method TW-Invention File
Capacitor Package and Manufacturing Method TW-Invention File
Capacitor Component Structure and Method TW-Invention File
Capacitor Unit and Manufacturing Method TW-Invention File
Wound Capacitor Package and Method TW-Invention File
Capacitor Package and Antioxidant Composite Electrode Foil TW-Invention File
Forming Polymer Composite on Capacitor Element Method TW-Invention File
Capacitor Component Package and Method TW-Invention File
Wound Capacitor Package and Method TW-Invention File
Wound Capacitor Package and Method TW-Invention File
Electrolytic Capacitor Preparation Method TW-Invention File
Stacked Solid Capacitor IC and Electronic Product TW-Invention File
Capacitor Unit and Manufacturing Method TW-Invention File
Manufacturing Electrolytic Capacitor Method TW-Invention File
Conductive Adhesive Method and Capacitor Unit Method TW-Invention File
Stacked Capacitor Component and Package Method TW-Invention File
Wound Capacitor Package TW-Utility File
Wound Capacitor Package and Seal TW-Utility File
Stacked Solid Capacitor and Method U.S.-Invention File
Stacked Solid Capacitor With Multiple Leads U.S.-Invention File
Plate Stacked Solid Capacitor U.S.-Invention File
Solid Capacitor With Protection Structure Method U.S.-Invention File
Stacked Solid Capacitor With Multiple Lead Terminals U.S.-Invention File
Capacitor Unit and Stacked Solid Capacitor U.S.-Invention File

Patents and Certifications | Innovative Polymer Capacitor Solutions for Electronics – Trust APAQ’s Proven Quality

Founded in 2005, APAQ TECHNOLOGY CO., LTD. is a world leader in the production of ultra-compact, high-performance polymer solid capacitors. Specializing in high-temperature-resistant and long-life capacitor solutions, APAQ serves a global customer base, including major electronics manufacturers. With an annual R&D budget of over 3.5% of revenue, APAQ drives continuous innovation in the capacitor industry. Our products are RoHS-compliant, eco-friendly, and incorporate lead-free materials, positioning APAQ as a forward-thinking, environmentally conscious leader in the market.

APAQ’s advanced automated production lines and global-scale manufacturing ensure high-quality, large-volume production with reduced lead times. As the world’s largest producer of radial lead-type solid capacitors (AP-CON), APAQ provides reliable, cost-effective solutions tailored to the evolving needs of the electronics industry.

Since 2005, APAQ has been delivering high-quality polymer capacitors, backed by 20 years of industry experience and cutting-edge technology. APAQ is dedicated to meeting each customer's unique needs with precision and reliability.