Novel Memory Transistor Architectures

Design and operation of transistors optimized for memory applications, including floating body devices, ferroelectric FETs (FeFETs), vertical TFTs for 3D arrays, and charge-trapping memory cells.

41,513 US filings from 1,451 companies since 2023 · 2023: 10,377 · 2024: 12,986 · 2025: 12,396 · 2026 YTD: 5,754

Transistor & Device Structure

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Micron Technology, Inc.	7,450	1,965	2,422	1,983	1,080	-18.1%
2	SAMSUNG ELECTRONICS CO., LTD.	5,461	1,227	1,516	1,766	952	+16.5%
3	SK hynix Inc.	2,902	702	890	839	471	-5.7%
4	Taiwan Semiconductor Manufacturing Company, Ltd.	2,751	651	850	986	264	+16.0%
5	Kioxia Corporation	2,502	664	860	664	314	-22.8%
6	YANGTZE MEMORY TECHNOLOGIES CO., LTD.	1,851	323	489	710	329	+45.2%
7	CHANGXIN MEMORY TECHNOLOGIES, INC.	1,140	458	335	275	72	-17.9%
8	INTEL CORPORATION	754	253	197	185	119	-6.1%
9	SANDISK TECHNOLOGIES LLC	705	236	346	120	3	-65.3%
10	International Business Machines Corporation	577	195	168	144	70	-14.3%
11	Taiwan Semiconductor Manufacturing Co., Ltd.	555	197	184	143	31	-22.3%
12	Lodestar Licensing Group LLC	548	20	254	223	51	-12.2%
13	MACRONIX International Co., Ltd.	523	142	153	158	70	+3.3%
14	UNITED MICROELECTRONICS CORP.	519	141	172	152	54	-11.6%
15	Semiconductor Energy Laboratory Co., Ltd.	512	123	163	166	60	+1.8%
16	Sandisk Technologies, Inc.	499	·	27	274	198	+914.8%
17	Western Digital Technologies, Inc.	491	157	197	136	1	-31.0%
18	NANYA TECHNOLOGY CORPORATION	357	74	98	123	62	+25.5%
19	Advanced Micro Devices, Inc.	339	75	124	105	35	-15.3%
20	Rambus Inc.	307	65	114	86	42	-24.6%
21	Winbond Electronics Corp.	297	70	89	82	56	-7.9%
22	Taiwan Semiconductor Manufacturing Company Limited	288	92	87	86	23	-1.1%
23	Silicon Motion, Inc.	271	67	109	73	22	-33.0%
24	QUALCOMM Incorporated	263	32	71	90	70	+26.8%
25	GlobalFoundries U.S. Inc.	198	83	70	31	14	-55.7%