Company patents

SILICONWARE PRECISION INDUSTRIES CO., LTD.

SILICONWARE PRECISION INDUST RIES CO., LT D. demonstrates a clear focus on core semiconductor technologies, with Semiconductor Packaging & Encapsulation (75.3% of portfolio) and Chip-to-Chip Interconnect (Bonding, Bumps) (60.5% of portfolio) being dominant. Surprisingly, despite its semiconductor core, the company shows an emerging focus in Optical Elements & Systems, which, while only 5.0% of its portfolio, experienced a significant 120.0% year-over-year growth in 2026 so far, indicating a strategic diversification into optical technologies.

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.

380 US filings (since 2023) · 9 categories · 21 themes

Advanced Electronic Packaging is up +25.5% YoY. Worth a look.
Advanced Electronic Packaging

Methods and structures for integrating and enclosing electronic components into compact, multi-functional modules, often involving embedded components, multi-layer substrates, and electromagnetic shielding for performance and miniaturization.

Printed Circuits & Electronic Assemblies
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308since 2023
+25.5%YoY
Electronics Encapsulation & Sealing

Materials and processes for hermetic encapsulation, conformal coating, optical chip sealing, and stretchable conductors for electronic and optoelectronic devices.

Semiconductor Packaging & Encapsulation
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113since 2023
+7.3%YoY
3D Die Stacking & Vertical Interconnects

Techniques for stacking multiple semiconductor dies or active layers vertically to achieve higher density and shorter interconnections, often utilizing through-silicon vias (TSVs) or other vertical conductive paths like through-hole electrodes.

Semiconductor Packaging & EncapsulationChip-to-Chip Interconnect (Bonding, Bumps)Multi-Chip & 3D AssembliesSemiconductor Diodes & Transistors
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77since 2023
+15.4%YoY
Package Thermal Management

Integrated solutions for dissipating heat generated by high-density semiconductor devices within the package, including embedded cooling structures, cold plates, and optimized fluidic channels.

Semiconductor Packaging & EncapsulationChip-to-Chip Interconnect (Bonding, Bumps)Semiconductor Manufacturing ProcessMulti-Chip & 3D Assemblies
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54since 2023
+70.6%YoY
Fan-Out & Embedded Die Packaging

Packaging technologies where bare dies are embedded within a mold compound or substrate cavity, and then interconnected using redistribution layers (RDLs) for fan-out or compact integration, often avoiding through-silicon vias in the chips themselves.

Semiconductor Packaging & EncapsulationChip-to-Chip Interconnect (Bonding, Bumps)Multi-Chip & 3D Assemblies
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32since 2023
+20.0%YoY
Interconnect Materials & Reliability

Development of novel materials and designs for bonding, sealing, and underfill applications, focusing on improving mechanical integrity, electrical performance, and preventing defects like cracks or delamination in chip-to-chip connections.

Chip-to-Chip Interconnect (Bonding, Bumps)
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21since 2023
+42.9%YoY
Photonic Integration & Interconnects

The design and manufacturing of integrated circuits that combine optical and electronic components, particularly for high-speed data communication between processors and memory.

Optical Elements & Systems
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21since 2023
+350.0%YoY
Integrated & Embedded Antennas

Design and manufacturing techniques for incorporating antenna structures directly into electronic devices, product housings, or materials, often under constraints of space, aesthetics, or environmental factors.

Antennas
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19since 2023
+20.0%YoY
Heterogeneous Chiplet Integrationfiltered

Combining different types of functional chiplets (e.g., compute, memory, I/O, optical, power, biological) into a single package or system, often to optimize performance, power, or cost by leveraging specialized components.

Multi-Chip & 3D Assemblies
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14since 2023
+133.3%YoY
Antenna Isolation & Interference Mitigation

Techniques and structures used to reduce unwanted electromagnetic coupling, scattering, or interference between multiple antennas, different frequency bands, or sensitive electronic components within a device.

Antennas
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14since 2023
0.0%YoY
Advanced Package Interconnects

Novel electrical connection methods within or between package components, including through-glass vias (TGVs), backside contacts, and optimized redistribution layers for improved signal and power integrity.

Semiconductor Packaging & Encapsulation
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13since 2023
-50.0%YoY
Temporary Wafer Bonding & Debonding

Methods for temporarily attaching a wafer or substrate to a carrier for thinning, dicing, or other processing, followed by controlled debonding, often using light-sensitive resins, temporary adhesives, or roughened interfaces.

Chip-to-Chip Interconnect (Bonding, Bumps)Semiconductor Manufacturing Process
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10since 2023
+33.3%YoY
Wafer Handling and Process Environment Control

Systems and methods for automated substrate transport, precise positioning, temperature regulation, and chamber environment management to ensure process stability, uniformity, and yield in semiconductor manufacturing.

Semiconductor Manufacturing Process
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9since 2023
-25.0%YoY
Device Enclosure & Material Engineering

Methods and materials used to construct robust and protective enclosures for electronic devices, focusing on structural integrity, impact resistance, thermal dissipation, and specialized material properties for enhanced durability.

Printed Circuits & Electronic Assemblies
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9since 2023
0.0%YoY
Semiconductor Electrical Test

Techniques and apparatus for electrically testing semiconductor devices, integrated circuits, or wafers during manufacturing or post-assembly, including built-in self-test (BIST) and contact reliability assessment.

Electrical Measurement
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9since 2023
new
Encapsulation Materials & Processes

Development and application of resin compositions, molding compounds, and underfill materials to protect semiconductor devices from environmental factors, moisture, mechanical stress, and for structural integrity.

Semiconductor Packaging & Encapsulation
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7since 2023
-75.0%YoY
Multi-Band & Broadband Antenna Design

Antennas engineered to operate effectively across a wide continuous range of frequencies (broadband) or multiple distinct frequency bands, often requiring specific radiating element geometries or impedance matching circuits.

Antennas
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6since 2023
+100.0%YoY
Advanced Metallization & Contacts

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.

Chip-to-Chip Interconnect (Bonding, Bumps)Semiconductor Diodes & Transistors
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4since 2023
new
Flexible and Printed Circuitry

Manufacturing processes and material compositions for creating electronic circuits on flexible or conformable substrates, enabling novel form factors, enhanced durability, and new applications beyond rigid PCBs.

Printed Circuits & Electronic Assemblies
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4since 2023
+100.0%YoY
Gate Stack & Dielectric Engineering

Advanced techniques for forming and optimizing gate dielectrics, work function layers, and other dielectric layers within transistor structures to improve performance, reliability, and scaling.

Semiconductor Diodes & Transistors
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1since 2023
new
Phased Array & Beamforming Antennas

Systems and methods for electronically steering or shaping antenna beams by controlling the phase and amplitude of signals fed to individual elements in an array, including calibration techniques and multi-antenna configurations.

Antennas
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1since 2023
n/a

Patents

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