Electrolysis Cell Control Patent Snapshot 2026
The electrolysis cell control patent space is highly concentrated, with just four patent families on record and the Korea Institute of Science and Technology holding the leading position. Activity peaked in 2020 and annual volume has since eased, placing the field in a post-peak stage with the United States as the dominant filing jurisdiction.
A handful of filers dominate a nascent, concentrated space
Korea Institute of Science and Technology leads the applicant ranking with 2 patent families, ahead of Hebei Jinyun New Materials Co., Ltd. and the Regents of the University of California, each holding 1 patent family. The top five filers collectively account for 100% of the ranked applicants visible in this query’ combined total, confirming extreme concentration.
With only three ranked applicants sharing the entire corpus, there is effectively no second tier: all active filers are at or near the frontier, and no incumbent has established a commanding portfolio cushion against new entrants.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | KOREA INST OF SCI & TECH | 2 | |
| 2 | Hebei Jinyun New Materials Co., Ltd. | 1 | |
| 3 | Regents of the University of California | 1 |
The leaders’ positions imply that a focused program of even a few patent families could meaningfully shift the competitive balance, and the absence of a deep-pocketed industrial incumbent leaves the field open to academic and start-up participants.
The most recent filing cohorts are subject to publication lag and may undercount actual activity; scope is limited to the patent families captured in this analysis. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Sporadic filing activity concentrated in electrolytic production classes
Two charts frame the temporal and technological shape of this corpus: an annual filing trend that reveals where activity clustered, and a technology composition view that maps the visible IPC branches.
Annual filing trend
Filings were absent from 2017 through 2019, spiked to 2 families in 2020, then went quiet through 2023; a second cluster of 2 families appeared in 2025. The most recent cohorts are subject to publication lag, so the 2025 figure likely understates true activity. The overall pattern is sporadic rather than sustained.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C25B (electrolytic production of compounds) is the visible branch with 3 records, reflecting the core electrochemistry focus. B01J (chemical and physical processes and catalysis) accounts for 2 records, while C02F, G01N, G05B, G06N, and G16C each contribute 1 record — signaling early-stage diversification into control systems, AI-based modeling, and computational chemistry.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Basic electrocatalyst for carbon dioxide reduction…
Provided are a basic electrocatalyst applied to a carbon dioxide reduction and ethylene production system, a basic electrocatalyst electrode and an apparatus each including the same, and a method of manufacturing the basic electrocatalyst electrode. The basic electrocatalyst electrode for for carbon dioxide reduction and ethylene production includes… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Basic electrocatalyst for carbon dioxide reduction… | 8 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Korea Institute of Science and Technology
KIST holds 2 patent families — the largest share in this corpus — and its technology focus is concentrated across C25B subclasses covering electrolytic production of compounds, including electrode and cell design. Applicant momentum data is not available for this corpus, so trajectory direction cannot be confirmed from evidence.
families: 2Regents of the University of California
The University of California holds 1 patent family with a focus on C25B subclasses aligned with electrolytic production and cell auxiliaries, overlapping with KIST’s primary domain. Hebei Jinyun New Materials Co., Ltd. also holds 1 patent family but is differentiated by a C02F orientation toward water and wastewater treatment electrochemistry rather than core cell control. Momentum data is not available for either challenger.
families: 1Frequently asked questions
The corpus contains 4 patent families in scope, spanning filings identified across global patent databases for this technology topic.
The Korea Institute of Science and Technology (KIST) leads with 2 patent families, ahead of the Regents of the University of California and Hebei Jinyun New Materials Co., Ltd., each holding 1 patent family.
The United States leads with 3 patent records, making it the primary filing jurisdiction. China accounts for 1 patent record. Other major electrochemistry markets are not represented in this corpus at the patent-record level.
The field is assessed as being in a Decline stage: annual filings eased back from a peak in 2020 and have not recovered to that level. Publication lag means the most recent cohorts may undercount actual activity.
C25B (electrolytic production of compounds) is the visible class with 3 records, followed by B01J (chemical and physical processes and catalysis) with 2 records. G05B (control and regulating systems) and G06N (AI-based computing) each appear with 1 record, indicating early-stage diversification toward control engineering and machine learning.
No co-applicant filings are recorded in this corpus. The three active filers — KIST, the University of California Regents, and Hebei Jinyun New Materials — appear to have filed independently, with no joint applications detected.
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Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.