Stator & Coil Manufacturing

Manufacturing processes and techniques for producing stator cores, windings, and coils, including lamination, impregnation, hairpin winding, and segment coil bending, to improve motor efficiency, power density, or reliability.

9,188 US filings from 1,500 companies since 2023 · 2023: 2,661 · 2024: 2,906 · 2025: 2,537 · 2026 YTD: 1,084

Electric Motors & Generators

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Murata Manufacturing Co., Ltd.	650	195	216	183	56	-15.3%
2	TDK CORPORATION	387	121	108	109	49	+0.9%
3	Samsung Electro-Mechanics Co., Ltd.	330	122	104	68	36	-34.6%
4	Mitsubishi Electric Corporation	250	90	101	49	10	-51.5%
5	TOYOTA JIDOSHA KABUSHIKI KAISHA	222	71	60	59	32	-1.7%
6	DENSO CORPORATION	213	60	76	58	19	-23.7%
7	Schaeffler Technologies AG & Co. KG	161	32	47	52	30	+10.6%
8	GM GLOBAL TECHNOLOGY OPERATIONS LLC	143	46	36	42	19	+16.7%
9	HONDA MOTOR CO., LTD.	139	39	33	46	21	+39.4%
10	TAIYO YUDEN CO., LTD.	136	51	41	34	10	-17.1%
11	NIDEC CORPORATION	135	43	44	37	11	-15.9%
12	Hyundai Motor Company	130	44	22	34	30	+54.5%
13	Ford Global Technologies, LLC	126	42	40	30	14	-25.0%
14	NIPPON STEEL CORPORATION	124	30	43	37	14	-14.0%
15	AISIN CORPORATION	119	34	33	29	23	-12.1%
16	Kia Corporation	119	35	21	33	30	+57.1%
17	BorgWarner Inc.	118	20	37	51	10	+37.8%
18	LG INNOTEK CO., LTD.	117	46	42	24	5	-42.9%
19	Hyundai Mobis Co., Ltd.	96	22	28	25	21	-10.7%
20	Sumitomo Electric Industries, Ltd.	93	23	48	17	5	-64.6%
21	HAMILTON SUNDSTRAND CORPORATION	91	32	35	14	10	-60.0%
22	Panasonic Intellectual Property Management Co., Ltd.	82	15	30	26	11	-13.3%
23	Valeo eAutomotive Germany GmbH	73	18	22	26	7	+18.2%
24	Bayerische Motoren Werke Aktiengesellschaft	68	14	21	19	14	-9.5%
25	HITACHI ASTEMO, LTD.	68	18	18	20	12	+11.1%