Hitachi Fault Finding Support System EP3998558A1
Summary
The European Patent Office published Hitachi, Ltd.'s patent application EP3998558A1 for a Fault Finding Support System. The system covers AI-based fault detection and analysis methods for industrial applications, classified under IPC codes G06N (AI), G06Q (business methods), and G05B 23/02 (fault finding systems). The patent is designated across 31 European contracting states.
About this source
GovPing monitors EPO Patent Bulletin - AI & Computing (G06N) for new telecom & technology regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 43 changes logged to date.
What changed
The EPO published Hitachi, Ltd.'s patent application EP3998558A1 for a Fault Finding Support System. The patent covers automated fault detection and analysis methods using artificial intelligence for industrial applications, with IPC classifications spanning AI (G06N), enterprise management (G06Q), and industrial fault diagnosis (G05B). The application designates 31 European contracting states.
For competitors developing AI-based fault detection systems for industrial or enterprise applications, this patent establishes intellectual property claims that may affect product development and market strategy. Technology companies operating in the AI, industrial automation, or enterprise software sectors should review the patent claims to assess potential licensing requirements or design-around considerations.
Archived snapshot
Apr 22, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
FAULT FINDING SUPPORT SYSTEM
Publication EP3998558A1 Kind: A1 Apr 15, 2026
Applicants
Hitachi, Ltd.
Inventors
KONO, Toshiaki
IPC Classifications
G06Q 10/00 20120101AFI20260308BHEP B61L 27/53 20220101ALI20260308BHEP G06Q 50/04 20120101ALI20260308BHEP G06Q 10/10 20120101ALI20260308BHEP G06Q 10/0639 20230101ALI20260308BHEP G06Q 10/20 20230101ALI20260308BHEP G06N 5/022 20230101ALI20260308BHEP G06N 5/025 20230101ALI20260308BHEP G05B 23/02 20060101ALI20260308BHEP G06N 5/02 20060101ALI20260308BHEP G06Q 10/063 20230101ALI20260308BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
Parties
Related changes
Get daily alerts for EPO Patent Bulletin - AI & Computing (G06N)
Daily digest delivered to your inbox.
Free. Unsubscribe anytime.
Source
About this page
Every important government, regulator, and court update from around the world. One place. Real-time. Free. Our mission
Source document text, dates, docket IDs, and authority are extracted directly from EPO.
The summary, classification, recommended actions, deadlines, and penalty information are AI-generated from the original text and may contain errors. Always verify against the source document.
Classification
Who this affects
Taxonomy
Browse Categories
Get alerts for this source
We'll email you when EPO Patent Bulletin - AI & Computing (G06N) publishes new changes.
Subscribed!
Optional. Filters your digest to exactly the updates that matter to you.