Noise Reduction & Acoustic Control

Methods and devices for actively managing the acoustic environment by identifying, mitigating, or masking unwanted sounds (noise) and shaping desired soundscapes.

7,011 US filings from 1,387 companies since 2023 · 2023: 2,107 · 2024: 2,062 · 2025: 1,884 · 2026 YTD: 958

Stereophonic Audio

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	SHENZHEN SHOKZ CO., LTD.	223	78	60	60	25	0.0%
2	SAMSUNG ELECTRONICS CO., LTD.	171	44	56	53	18	-5.4%
3	Bose Corporation	168	59	39	48	22	+23.1%
4	Hyundai Motor Company	160	57	42	45	16	+7.1%
5	SONY GROUP CORPORATION	146	31	47	44	24	-6.4%
6	Kia Corporation	145	43	41	45	16	+9.8%
7	Apple Inc.	141	37	48	40	16	-16.7%
8	HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED	139	37	37	47	18	+27.0%
9	GOOGLE LLC	108	33	45	25	5	-44.4%
10	TOYOTA JIDOSHA KABUSHIKI KAISHA	100	21	30	33	16	+10.0%
11	Nippon Telegraph and Telephone Corporation	96	32	31	31	2	0.0%
12	Panasonic Intellectual Property Management Co., Ltd.	85	30	26	18	11	-30.8%
13	YAMAHA CORPORATION	84	26	30	19	9	-36.7%
14	DOLBY LABORATORIES LICENSING CORPORATION	79	24	25	22	8	-12.0%
15	Huawei Technologies Co., Ltd.	74	17	20	23	14	+15.0%
16	Nokia Technologies Oy	72	12	24	28	8	+16.7%
17	Amazon Technologies, Inc.	67	15	24	20	8	-16.7%
18	HONDA MOTOR CO., LTD.	66	25	9	24	8	+166.7%
19	Sonos, Inc.	65	21	22	18	4	-18.2%
20	TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.	63	24	21	11	7	-47.6%
21	GOERTEK INC.	60	11	28	15	6	-46.4%
22	Alps Alpine Co., Ltd.	57	12	12	16	17	+33.3%
23	Meta Platforms Technologies, LLC	54	12	13	17	12	+30.8%
24	International Business Machines Corporation	52	24	14	11	3	-21.4%
25	Starkey Laboratories, Inc.	51	9	16	19	7	+18.8%