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Winograd Convolution Operation Method, Apparatus, and Device, and Storage Medium

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Published March 25th, 2026
Detected April 1st, 2026
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Summary

The European Patent Office published patent EP4053746A1, granted to Cambricon Technologies Corporation Limited, covering Winograd convolution operations for neural networks. The patent application lists 10 inventors and includes classifications related to neural networks (G06N 3/063, G06N 3/045, G06N 3/0464). This patent publication represents routine intellectual property documentation with no immediate regulatory implications.

What changed

Cambricon Technologies Corporation Limited received European Patent EP4053746A1 for a Winograd convolution operation method, apparatus, and device for neural networks. The patent, published March 25, 2026, with 10 named inventors, covers neural network computation optimization techniques classified under G06N (artificial intelligence) and G06F (computing). The designated states cover all EU member states plus other European countries.

This patent publication does not impose any compliance obligations on regulated entities. Technology companies developing neural network accelerators or implementing Winograd convolution algorithms should review the patent claims to assess potential intellectual property considerations. No action is required for standard compliance programs.

Source document (simplified)

← EPO Patent Bulletin

WINOGRAD CONVOLUTION OPERATION METHOD, APPARATUS, AND DEVICE, AND STORAGE MEDIUM

Publication EP4053746A1 Kind: A1 Mar 25, 2026

Applicants

Cambricon Technologies Corporation Limited

Inventors

ZHANG, Yingnan, ZENG, Hongbo, ZHANG, Yao, LIU, Shaoli, HUANG, Di, ZHOU, Shiyi, ZHANG, Xishan, LIU, Chang, GUO, Jiaming, GAO, Yufeng

IPC Classifications

G06F 17/15 20060101AFI20260218BHEP G06N 3/063 20060101ALI20260218BHEP G06N 3/045 20230101ALI20260218BHEP G06N 3/0464 20230101ALI20260218BHEP

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

View original document →

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4053746A1

Who this affects

Applies to
Technology companies
Industry sector
3341 Computer & Electronics Manufacturing 5112 Software & Technology
Activity scope
Patent Licensing Neural Network Computing AI Hardware
Geographic scope
European Union EU

Taxonomy

Primary area
Artificial Intelligence
Operational domain
Intellectual Property
Topics
Intellectual Property Technology

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