Patent Theme

Hydrogen Production Catalysis

Catalytic processes and novel catalyst materials designed to efficiently produce hydrogen gas from various feedstocks, including hydrocarbons (e.g., methane, natural gas) and ammonia.

6,772 US filings from 1,741 companies since 2023 · 2023: 1,728 · 2024: 2,164 · 2025: 2,046 · 2026 YTD: 834

Non-metallic Inorganic CompoundsElectrolysis & Electrochemistry

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	SAUDI ARABIAN OIL COMPANY	305	66	95	103	41	+8.4%
2	UOP LLC	152	36	46	43	27	-6.5%
3	Johnson Matthey Public Limited Company	122	44	30	39	9	+30.0%
4	Topsoe A/S	114	27	32	35	20	+9.4%
5	Hyundai Motor Company	113	36	22	34	21	+54.5%
6	KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS	109	18	42	40	9	-4.8%
7	Kia Corporation	101	25	22	33	21	+50.0%
8	CHEVRON U.S.A. INC.	98	19	28	27	24	-3.6%
9	CHINA PETROLEUM & CHEMICAL CORPORATION	94	18	25	34	17	+36.0%
10	BASF CORPORATION	90	38	34	14	4	-58.8%
11	IFP Energies nouvelles	90	22	32	26	10	-18.8%
12	BASF SE	83	21	20	27	15	+35.0%
13	TOYOTA JIDOSHA KABUSHIKI KAISHA	76	22	31	18	5	-41.9%
14	Evonik Operations GmbH	69	29	16	11	13	-31.2%
15	Dow Global Technologies LLC	60	17	18	15	10	-16.7%
16	EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY	60	24	14	17	5	+21.4%
17	CATALER CORPORATION	59	16	19	17	7	-10.5%
18	LG Chem, Ltd.	57	11	20	17	9	-15.0%
19	HONDA MOTOR CO., LTD.	54	8	22	20	4	-9.1%
20	SABIC GLOBAL TECHNOLOGIES B.V.	53	19	12	15	7	+25.0%
21	Korea Institute of Science and Technology	51	20	10	18	3	+80.0%
22	SK INNOVATION CO., LTD.	51	8	18	22	3	+22.2%
23	Chevron Phillips Chemical Company LP	50	15	20	10	5	-50.0%
24	AIR PRODUCTS AND CHEMICALS, INC.	46	7	26	10	3	-61.5%
25	HALDOR TOPSØE A/S	45	10	10	19	6	+90.0%