Patent Theme

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.

5,388 US filings from 1,740 companies since 2023 · 2023: 1,385 · 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	102	21	41	28	12	-31.7%
2	DENSO CORPORATION	82	17	40	19	6	-52.5%
3	TDK CORPORATION	64	23	15	19	7	+26.7%
4	MINEBEA MITSUMI Inc.	60	13	22	22	3	0.0%
5	Apple Inc.	53	15	19	13	6	-31.6%
6	CANON KABUSHIKI KAISHA	47	18	10	16	3	+60.0%
7	SIEMENS HEALTHINEERS AG	47	·	13	24	10	+84.6%
8	AAC Microtech (Changzhou) Co., Ltd.	45	3	12	23	7	+91.7%
9	GE PRECISION HEALTHCARE LLC	44	6	17	18	3	+5.9%
10	KONINKLIJKE PHILIPS N.V.	43	9	18	10	6	-44.4%
11	INTUITIVE SURGICAL OPERATIONS, INC.	41	12	10	18	1	+80.0%
12	NIDEC CORPORATION	40	12	17	9	2	-47.1%
13	Siemens Healthcare GmbH	40	26	14	·	·	—
14	G.I. Windows, Inc.	39	7	14	10	8	-28.6%
15	LG INNOTEK CO., LTD.	37	11	11	8	7	-27.3%
16	INFINITUM ELECTRIC, INC.	37	7	10	16	4	+60.0%
17	DELTA ELECTRONICS, INC.	36	6	9	10	11	+11.1%
18	KABUSHIKI KAISHA TOSHIBA	31	7	7	14	3	+100.0%
19	HONDA MOTOR CO., LTD.	29	6	11	9	3	-18.2%
20	Beckhoff Automation GmbH	27	8	13	4	2	-69.2%
21	CANON MEDICAL SYSTEMS CORPORATION	27	7	9	9	2	0.0%
22	HITACHI HIGH-TECH CORPORATION	27	4	8	11	4	+37.5%
23	Ford Global Technologies, LLC	26	8	7	8	3	+14.3%
24	Panasonic Intellectual Property Management Co., Ltd.	26	7	7	10	2	+42.9%
25	HAMILTON SUNDSTRAND CORPORATION	25	6	13	4	2	-69.2%