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2023
- 12/25-12/31
- 12/18-12/24

Weekly Patent Market Pulse: USPTO Assignments from Apr 14, 2025 to Apr 20, 2025

From April 14 to 20, 2025, the U.S. patent market featured notable transactions:

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD to MAGO BARCA IP LLC (Apr 15): Patents for stacked semiconductor devices and methods of forming same.
GUANGZHOU HUAJIU INFORMATION TECHNOLOGY CO LTD to SHENZHEN SMOORE TECHNOLOGY LTD (Apr 17): Patents for ceramic heating elements for electronic cigarettes.
RENESAS ELECTRONICS AMERICA INC to AXIRO SEMICONDUCTOR INC (Apr 16): Patents for power reduction technique for buffered crossbar switch.
OJIP LLC to KAZ EUROPE SARL (Apr 14): Design patents - design diagrams from: packaging for press-on nails.
SOLIDIA TECHNOLOGIES to CARBICRETE INC (Apr 14): Patents for composite materials, methods of production and uses thereof.

These transactions involve major companies like Taiwan Semiconductor Manufacturing Co Ltd, Renesas Electronics America Inc, and Solidia Technologies, highlighting strategic patent acquisitions in various tech sectors.

Please note that the following records include assignments involving more than 5 patents. To access detailed records linking patents and companies, you may be directed to Patentcloud pages where signing in or signing up is required.

Reel No.	Recorded Date	Execution Date	Assignor	Assignee	# of Patents
70835-239	20250414	20250411	OJIP LLC	KAZ EUROPE SARL	11
Summary of Patents: Design Patents - Design Diagrams From: Packaging For Press-On Nails This category focuses on creating design diagrams for packaging specifically tailored for press-on nails.
70834-800	20250414	20240506	FLAGSHIP PIONEERING INNOVATIONS V INC	SANA BIOTECHNOLOGY INC	5
Summary of Patents: Methods And Compositions Relating To Chondrisomes From Cultured Cells This category encompasses methods and compositions related to chondrisomes derived from cultured cells. It includes the study of chondrisomes, cultured cells, and therapeutic compositions involving chondrisomes.
70833-936	20250414	20250130	SOLIDIA TECHNOLOGIES	CARBICRETE INC	22
Summary of Patents: Composite Materials, Methods Of Production And Uses Thereof This category encompasses the production methods and uses of composite materials, including novel pervious composite materials and methods of forming cured composite materials with optimized pH. It also includes aerated composite materials, pavers, and block composite materials with methods of preparation.
70830-214	20250414	20250325	VUETTE PTE LTD	XINGR HOLDINGS PTE LTD	8
Summary of Patents: Probe Card For Testing High-Frequency Signals This category includes probe cards for testing high-frequency signals, vertical probes for integrated circuit devices, high-precision semiconductor device probing apparatus, probing apparatus for semiconductor devices, test assembly and method of manufacturing, guide plate structure, and probe array.
70847-983	20250415	20250328	TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD	MAGO BARCA IP LLC	32
Summary of Patents: Stacked Semiconductor Devices And Methods Of Forming Same This category focuses on the methods and structures for forming stacked semiconductor devices, including first and second tier stacks, through-silicon vias, post passivation interconnect structures, and integrated circuit structures. It also includes isolation structures for noise reduction in 3D integrated circuits, semiconductor contact formation, annealed cobalt plug, power and thermal management in 3D IC structures, through-silicon via formation, fabrication of stacked integrated chips, metal pad structures, and methods for stacking devices with coating materials.
70837-222	20250415	20250401	JOONGWOO M-TECH CO LTD	JWMT INC	13
Summary of Patents: Method Of Manufacturing Flexible Oled Module This method involves the manufacturing of flexible OLED modules using innovative techniques and materials, resulting in high-quality and durable OLED displays.
70838-653	20250415	20230515	GLOBAL LIFESTYLEDESIGN INC	MAKITA US INC	5
Summary of Patents: Modular Storage Systems With Interchangeable Box Connectivity And Accessories A modular storage system with storage box connectivity and external box features. It includes various accessories for organizing and storing items effectively.
70838-826	20250415	20231114	TMF PLASTIC SOLUTIONS LLC	MAKITA US INC	5
Summary of Patents: Modular Storage Systems With Interchangeable Box Connectivity And Accessories A modular storage system with storage box connectivity and external box features. It includes various accessories for organizing and storing items effectively.
70844-470	20250415	20250315	INNOVATIVE SSD IP LLC	BIP BY DDN INC	9
Summary of Patents: Error Correction And Data Storage Optimization Techniques This category focuses on enhanced data storage using concatenated inner and outer error correction codes to ensure data integrity and reliability. It involves secondary decoded data, storage controllers, and adaptive wear leveling using multiple partitions. Additionally, it includes a medium defect management method for storage systems with an integrated controller, drive-level internal quality of service, write stream separation into multiple partitions, and storage emulation in a storage controller.
70854-779	20250416	20241223	SENTEC LTD	SENSUS SPECTRUM LLC;SENSUS US INC	15
Summary of Patents: Electricity Metering And Sensing Technology This category focuses on current sensing using mutual inductance and electrode assembly in an electromagnetic flow meter.
70864-142	20250416	20250403	RENESAS ELECTRONICS AMERICA INC	AXIRO SEMICONDUCTOR INC	101
Summary of Patents: Power Reduction Technique For Buffered Crossbar Switch This technique reduces power consumption in a buffered crossbar switch by dynamically adjusting the power supply voltage based on the traffic load. It improves energy efficiency and reduces heat dissipation, leading to better performance and reliability.
70857-806	20250416	20230815	ASCENT VENTURES LLC	BYK-GARDNER GMBH	8
Summary of Patents: Ultrasonic Transducer Positioning And Sensing Technology Methods and apparatus for positioning, sensing, and wear protection of ultrasonic transducers in robotic systems and test materials. Includes high bandwidth, high frequency, and via-formed transducers with metal backing layers and piezoelectric elements.
70853-207	20250416	20190812	ACTIVE-SEMI BVI INC	QORVO INTERNATIONAL PTE LTD	6
Summary of Patents: High Efficiency Voltage Regulator With Auto Power-Save Mode This category focuses on a high-efficiency voltage regulator with an auto power-save mode for power management applications. It includes a system and method for near-zero light-load supply current in switching regulators, as well as a control signal monitoring circuit for power loss protection integrated circuits.
70861-928	20250416	20250220	SOLANO LABS INC	SOLANA MOBILE INC	11
Summary of Patents: Secure Digital Asset Management For Mobile Devices A private session feature for mobile applications that enhances user privacy and security.
70871-148	20250417	20250414	GUANGZHOU HUAJIU INFORMATION TECHNOLOGY CO LTD	SHENZHEN SMOORE TECHNOLOGY LTD	5
Summary of Patents: Ceramic Heating Elements For Electronic Cigarettes Ceramic heating elements are used in electronic cigarettes to provide efficient and even heating for vaporizing tobacco juice. The hollow ceramic heating rod allows for the storage of liquid in the chamber.
70868-597	20250417	20250312	BHE TURBOMACHINERY LLC	OBERMEYER HENRY K	5
Summary of Patents: Hydromotive Machine Technology: Reversible Pump-Turbine And Fluid Connection Innovations This category includes information about reversible pump-turbines, impeller inflow, fluid connections for hydromotive machines, multiple blade rows for impeller and diffuser stages, and reversible pump-turbine installations.
70872-303	20250417	20250402	GO-TECH ENERGY CO LTD	SUPREME ELECTRONICS CO LTD	10
Summary of Patents: Electric Vehicle Battery Management And Charging Systems The charging system for electric vehicles includes a rechargeable battery module, compulsory charging, and a protective circuit for secondary batteries. It ensures that the secondary battery recovers after being over discharged.
70865-582	20250417	20250131	WOODMAXX POWER EQUIPMENT NY LLC	THE BACK FORTY GROUP INC	11
Summary of Patents: Wood Chipper Flywheel Design And Manufacturing Process A wood chipper is a machine used to process wood into small chips for various applications. The process involves feeding wood into the chipper, which then uses a flywheel to chip the wood into small pieces. The chips produced can be used for mulch, compost, or as raw material for wood products. Additionally, wood chippers can be equipped with in-feed systems to efficiently process wood. In the sawmill industry, portable sawmills are used for cutting wood into lumber, and they may utilize pull cables and spacers for operation. Overall, wood chippers and sawmills play a crucial role in the wood processing industry.
70868-857	20250417	20250414	AARONCO PET PRODUCTS INC	PETSTOREDIRECT LLC	6
Summary of Patents: Design Patents - Pet Grooming Tool Design Diagrams This category focuses on designing ergonomic handles for pet grooming tools to improve user comfort and control. The handle designs aim to enhance the grooming experience for both pets and their owners, with a focus on safety and ease of use.