Mapping Japan’s innovation activity in hydrogen technologies: An approach based on patent network analysis
By: Anna Maria Dzienis and Artur F. Tomeczek
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DOI: https://doi.org/10.2478/ijme-2026-0007 | Journal eISSN: 2543-5361 (formerly 2299-9701) | Journal ISSN: 2299-9701
Language: English
Page range: 62 - 74
Submitted on: Jul 1, 2026
Accepted on: Jul 6, 2026
Published on: Jul 24, 2026
Published by: SGH Warsaw School of Economics
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2026 Anna Maria Dzienis, Artur F. Tomeczek, published by SGH Warsaw School of Economics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.