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.

16,096 US filings from 981 companies since 2023 · 2023: 3,255 · 2024: 3,522 · 2025: 5,920 · 2026 YTD: 3,399

Transistor & Device StructureSemiconductor Diodes & Transistors

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Taiwan Semiconductor Manufacturing Company, Ltd.	2,550	406	497	1,115	532	+124.3%
2	SAMSUNG ELECTRONICS CO., LTD.	1,583	276	306	552	449	+80.4%
3	Taiwan Semiconductor Manufacturing Co., Ltd.	1,557	391	412	567	187	+37.6%
4	INTEL CORPORATION	597	108	130	227	132	+74.6%
5	UNITED MICROELECTRONICS CORP.	523	115	119	189	100	+58.8%
6	International Business Machines Corporation	499	79	77	196	147	+154.5%
7	KABUSHIKI KAISHA TOSHIBA	400	70	71	157	102	+121.1%
8	NANYA TECHNOLOGY CORPORATION	380	87	93	141	59	+51.6%
9	Toshiba Electronic Devices & Storage Corporation	349	63	66	133	87	+101.5%
10	TEXAS INSTRUMENTS INCORPORATED	282	63	59	81	79	+37.3%
11	FUJI ELECTRIC CO., LTD.	279	63	60	86	70	+43.3%
12	SK hynix Inc.	265	47	70	93	55	+32.9%
13	GlobalFoundries U.S. Inc.	255	57	67	82	49	+22.4%
14	ROHM CO., LTD.	250	55	78	68	49	-12.8%
15	Mitsubishi Electric Corporation	243	55	52	85	51	+63.5%
16	Applied Materials, Inc.	241	60	60	73	48	+21.7%
17	RENESAS ELECTRONICS CORPORATION	196	42	47	57	50	+21.3%
18	CHANGXIN MEMORY TECHNOLOGIES, INC.	176	64	51	50	11	-2.0%
19	Taiwan Semiconductor Manufacturing Company Limited	166	39	47	62	18	+31.9%
20	Infineon Technologies Austria AG	163	29	35	56	43	+60.0%
21	Infineon Technologies AG	157	48	30	56	23	+86.7%
22	Wolfspeed, Inc.	130	24	17	56	33	+229.4%
23	DENSO CORPORATION	126	15	20	56	35	+180.0%
24	SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC	106	32	18	33	23	+83.3%
25	Semiconductor Energy Laboratory Co., Ltd.	105	24	14	52	15	+271.4%