Patent Theme

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.

9,743 US filings from 1,526 companies since 2023 · 2023: 2,433 · 2024: 3,200 · 2025: 2,933 · 2026 YTD: 1,177

Electrical Measurement

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	SAMSUNG ELECTRONICS CO., LTD.	508	128	145	159	76	+9.7%
2	Taiwan Semiconductor Manufacturing Company, Ltd.	496	123	161	169	43	+5.0%
3	ROHM CO., LTD.	332	58	143	92	39	-35.7%
4	FUJI ELECTRIC CO., LTD.	274	87	85	79	23	-7.1%
5	Mitsubishi Electric Corporation	221	49	76	73	23	-3.9%
6	CHANGXIN MEMORY TECHNOLOGIES, INC.	199	97	75	25	2	-66.7%
7	TEXAS INSTRUMENTS INCORPORATED	194	67	61	56	10	-8.2%
8	SK hynix Inc.	187	52	58	56	21	-3.4%
9	RENESAS ELECTRONICS CORPORATION	177	55	45	46	31	+2.2%
10	ADVANTEST CORPORATION	176	38	59	62	17	+5.1%
11	KABUSHIKI KAISHA TOSHIBA	176	48	62	52	14	-16.1%
12	Toshiba Electronic Devices & Storage Corporation	156	41	52	50	13	-3.8%
13	INTEL CORPORATION	139	32	44	41	22	-6.8%
14	Semiconductor Energy Laboratory Co., Ltd.	127	33	61	25	8	-59.0%
15	International Business Machines Corporation	122	45	29	37	11	+27.6%
16	NANYA TECHNOLOGY CORPORATION	119	45	39	29	6	-25.6%
17	Kioxia Corporation	118	33	35	41	9	+17.1%
18	Infineon Technologies AG	111	35	26	39	11	+50.0%
19	ROHDE & SCHWARZ GMBH & CO. KG	99	22	26	36	15	+38.5%
20	Taiwan Semiconductor Manufacturing Co., Ltd.	94	35	29	25	5	-13.8%
21	STMicroelectronics International N.V.	89	10	20	40	19	+100.0%
22	Micron Technology, Inc.	74	22	26	17	9	-34.6%
23	DENSO CORPORATION	67	10	24	25	8	+4.2%
24	NXP B.V.	63	6	21	24	12	+14.3%
25	Synopsys, Inc.	62	14	17	23	8	+35.3%