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Patent Theme

Magnetic Random Access Memory Structures

Design and fabrication techniques for magnetoresistive random-access memory (MRAM) cells, focusing on magnetic tunnel junction (MTJ) stack profiles, electrode configurations, and dielectric encapsulation to improve performance and reliability.

4,699 US filings from 457 companies since 2023 · 2023: 1,307 · 2024: 1,445 · 2025: 1,390 · 2026 YTD: 557

Specialty Semiconductor Devices (Legacy)

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#CompanySince 20232023202420252026 YTDYoY
1Taiwan Semiconductor Manufacturing Company, Ltd.68018421421864+1.9%
2UNITED MICROELECTRONICS CORP.48910916615658-6.0%
3International Business Machines Corporation4061421229052-26.2%
4SAMSUNG ELECTRONICS CO., LTD.3939711313845+22.1%
5Taiwan Semiconductor Manufacturing Co., Ltd.238866666200.0%
6TDK CORPORATION18962544825-11.1%
7Kioxia Corporation15636544521-16.7%
8Micron Technology, Inc.8528291810-37.9%
9Everspin Technologies, Inc.7415291911-34.5%
10CHANGXIN MEMORY TECHNOLOGIES, INC.712920166-20.0%
11SK hynix Inc.6612192015+5.3%
12INTEL CORPORATION642718811-55.6%
13Winbond Electronics Corp.642421163-23.8%
14Western Digital Technologies, Inc.611615255+66.7%
15TetraMem Inc.568102612+160.0%
16Taiwan Semiconductor Manufacturing Company Limited541617147-17.6%
17NANYA TECHNOLOGY CORPORATION44108197+137.5%
18STMicroelectronics International N.V.401213114-15.4%
19GlobalFoundries Singapore Pte. Ltd.38141293-25.0%
20IMEC VZW38151292-25.0%
21Sony Semiconductor Solutions Corporation34512116-8.3%
22COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES339168·-50.0%
23Applied Materials, Inc.32144122+200.0%
24SANDISK TECHNOLOGIES LLC3271213·+8.3%
25GlobalFoundries U.S. Inc.3051096-10.0%