Magnetic Actuation and Field Control Systems

Systems and devices that utilize controlled magnetic fields, often generated by electromagnets, to produce mechanical motion, precise positioning, or manipulate physical phenomena like plasma distribution.

5,693 US filings from 1,782 companies since 2023 · 2023: 1,690 · 2024: 1,771 · 2025: 1,574 · 2026 YTD: 658

Magnets & Inductors

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Mitsubishi Electric Corporation	106	25	41	28	12	-31.7%
2	DENSO CORPORATION	85	20	40	19	6	-52.5%
3	TDK CORPORATION	68	27	15	19	7	+26.7%
4	MINEBEA MITSUMI Inc.	60	13	22	22	3	0.0%
5	Apple Inc.	59	21	19	13	6	-31.6%
6	CANON KABUSHIKI KAISHA	48	19	10	16	3	+60.0%
7	AAC Microtech (Changzhou) Co., Ltd.	47	5	12	23	7	+91.7%
8	SIEMENS HEALTHINEERS AG	47	·	13	24	10	+84.6%
9	GE PRECISION HEALTHCARE LLC	46	8	17	18	3	+5.9%
10	Siemens Healthcare GmbH	46	32	14	·	·	—
11	KONINKLIJKE PHILIPS N.V.	43	9	18	10	6	-44.4%
12	NIDEC CORPORATION	42	14	17	9	2	-47.1%
13	INTUITIVE SURGICAL OPERATIONS, INC.	41	12	10	18	1	+80.0%
14	DELTA ELECTRONICS, INC.	40	10	9	10	11	+11.1%
15	LG INNOTEK CO., LTD.	40	14	11	8	7	-27.3%
16	INFINITUM ELECTRIC, INC.	40	10	10	16	4	+60.0%
17	G.I. Windows, Inc.	39	7	14	10	8	-28.6%
18	KABUSHIKI KAISHA TOSHIBA	37	13	7	14	3	+100.0%
19	HONDA MOTOR CO., LTD.	32	9	11	9	3	-18.2%
20	CANON MEDICAL SYSTEMS CORPORATION	29	9	9	9	2	0.0%
21	HITACHI HIGH-TECH CORPORATION	29	6	8	11	4	+37.5%
22	Beckhoff Automation GmbH	28	9	13	4	2	-69.2%
23	Panasonic Intellectual Property Management Co., Ltd.	27	8	7	10	2	+42.9%
24	TOYOTA JIDOSHA KABUSHIKI KAISHA	27	10	9	7	1	-22.2%
25	Ford Global Technologies, LLC	26	8	7	8	3	+14.3%