Inverter and Drive Circuit Control

Methods and circuits for controlling the power electronic converters (inverters, bridges) that supply current and voltage to electric motors, including switching strategies, voltage command generation, and multi-phase configurations.

11,223 US filings from 1,642 companies since 2023 · 2023: 3,216 · 2024: 3,263 · 2025: 3,336 · 2026 YTD: 1,408

Motor Control

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	470	136	170	121	43	-28.8%
2	TEXAS INSTRUMENTS INCORPORATED	381	117	104	125	35	+20.2%
3	Huawei Digital Power Technologies Co., Ltd.	232	69	62	70	31	+12.9%
4	ROHM CO., LTD.	213	62	67	63	21	-6.0%
5	DENSO CORPORATION	196	53	61	58	24	-4.9%
6	Infineon Technologies Austria AG	170	41	42	61	26	+45.2%
7	GM GLOBAL TECHNOLOGY OPERATIONS LLC	158	29	43	65	21	+51.2%
8	Hyundai Motor Company	157	42	51	42	22	-17.6%
9	Kia Corporation	156	41	50	42	23	-16.0%
10	DELTA ELECTRONICS, INC.	153	37	47	39	30	-17.0%
11	TOYOTA JIDOSHA KABUSHIKI KAISHA	143	23	33	47	40	+42.4%
12	HITACHI ASTEMO, LTD.	135	34	39	40	22	+2.6%
13	Richtek Technology Corporation	128	29	40	41	18	+2.5%
14	Robert Bosch GmbH	128	35	43	32	18	-25.6%
15	Chengdu Monolithic Power Systems Co., Ltd.	120	30	25	50	15	+100.0%
16	STMICROELECTRONICS S.r.l.	118	43	40	32	3	-20.0%
17	FUJI ELECTRIC CO., LTD.	115	33	30	42	10	+40.0%
18	ABB Schweiz AG	112	30	27	34	21	+25.9%
19	HAMILTON SUNDSTRAND CORPORATION	105	35	30	36	4	+20.0%
20	Delta Electronics (Shanghai) Co., Ltd.	99	34	23	30	12	+30.4%
21	Ford Global Technologies, LLC	88	19	30	33	6	+10.0%
22	KABUSHIKI KAISHA TOSHIBA	88	22	26	26	14	0.0%
23	Murata Manufacturing Co., Ltd.	84	18	29	27	10	-6.9%
24	STMicroelectronics International N.V.	83	10	12	40	21	+233.3%
25	SAMSUNG ELECTRONICS CO., LTD.	77	18	19	27	13	+42.1%