Patent Theme

Electrolyzer Durability & Control

Methods and systems for enhancing the operational lifespan, stability, and performance management of electrolyzers, including strategies for preventing degradation, restoring activity, and regulating operating conditions.

4,616 US filings from 1,210 companies since 2023 · 2023: 1,139 · 2024: 1,418 · 2025: 1,433 · 2026 YTD: 626

Electrolysis & Electrochemistry

Top companies

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

#CompanySince 20232023202420252026 YTDYoY
1Hyundai Motor Company40611910112363+21.8%
2Kia Corporation372899812263+24.5%
3Robert Bosch GmbH18426537134+34.0%
4TOYOTA JIDOSHA KABUSHIKI KAISHA18451535228-1.9%
5HONDA MOTOR CO., LTD.13938324326+34.4%
6Bloom Energy Corporation11424323127-3.1%
7KOLON INDUSTRIES, INC.842037198-48.6%
8Panasonic Intellectual Property Management Co., Ltd.681922189-18.2%
9KABUSHIKI KAISHA TOSHIBA651127207-25.9%
10SIEMENS ENERGY GLOBAL GMBH & CO. KG541015227+46.7%
11ESS Tech, Inc.47222041-80.0%
12LG Energy Solution, Ltd.448131211-7.7%
1324M Technologies, Inc.43117187+5.9%
14GM GLOBAL TECHNOLOGY OPERATIONS LLC43410218+110.0%
15TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION421118103-44.4%
16Hyundai Mobis Co., Ltd.3817201·-95.0%
17ASAHI KASEI KABUSHIKI KAISHA369121230.0%
18Cummins Inc.361011132+18.2%
19HYDROGENICS CORPORATION36185121+140.0%
20KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS3577174+142.9%
21Volvo Truck Corporation35341711+325.0%
22Kia Motors Corporation342941·-75.0%
23TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.3412796+28.6%
24ELECTRIC HYDROGEN CO.31·11155+36.4%
25Ohmium International, Inc.2713572+40.0%