Patent Theme

Semiconductor Laser Fabrication

Techniques for manufacturing semiconductor laser chips, including active region design, mirror structures, current and optical confinement, and the integration of multiple layers or elements on a substrate.

5,642 US filings from 1,061 companies since 2023 · 2023: 1,413 · 2024: 1,881 · 2025: 1,686 · 2026 YTD: 662

Lasers

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Taiwan Semiconductor Manufacturing Company, Ltd.	330	88	109	108	25	-0.9%
2	Gigaphoton Inc.	175	29	45	73	28	+62.2%
3	NANYA TECHNOLOGY CORPORATION	158	21	46	54	37	+17.4%
4	NICHIA CORPORATION	154	49	45	38	22	-15.6%
5	Mitsubishi Electric Corporation	140	29	46	43	22	-6.5%
6	ams-OSRAM International GmbH	116	23	39	44	10	+12.8%
7	Lumentum Operations LLC	115	27	38	44	6	+15.8%
8	HAMAMATSU PHOTONICS K.K.	113	44	29	27	13	-6.9%
9	SAMSUNG ELECTRONICS CO., LTD.	98	22	33	28	15	-15.2%
10	Taiwan Semiconductor Manufacturing Co., Ltd.	98	29	32	35	2	+9.4%
11	Sumitomo Electric Industries, Ltd.	87	15	30	28	14	-6.7%
12	II-VI DELAWARE, INC.	84	17	30	22	15	-26.7%
13	Sony Semiconductor Solutions Corporation	75	16	25	25	9	0.0%
14	SONY GROUP CORPORATION	68	12	28	20	8	-28.6%
15	GlobalWafers Co., Ltd.	64	11	32	12	9	-62.5%
16	DENSO CORPORATION	61	20	17	20	4	+17.6%
17	DISCO CORPORATION	61	21	18	17	5	-5.6%
18	ROHM CO., LTD.	59	5	28	16	10	-42.9%
19	KABUSHIKI KAISHA TOSHIBA	58	13	18	22	5	+22.2%
20	Kioxia Corporation	58	11	22	14	11	-36.4%
21	OSRAM OLED GMBH	58	27	26	5	·	-80.8%
22	Nippon Telegraph and Telephone Corporation	53	15	20	15	3	-25.0%
23	TOYOTA JIDOSHA KABUSHIKI KAISHA	50	17	14	16	3	+14.3%
24	MIRISE Technologies Corporation	49	17	13	16	3	+23.1%
25	UNITED MICROELECTRONICS CORP.	47	9	18	17	3	-5.6%