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Forecasting Artificial Intelligence Trends in Health Care: Systematic International Patent Analysis
Published 2023-05-01“…This database includes patents from the China National Intellectual Property Administration, European Patent Office, Japan Patent Office, Korean Intellectual Property Office, and the United States Patent and Trademark Office. …”
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Investigation of Carbon Nanotubes Using the F-Term Code of Japanese Patent Information
Published 2007-05-01“…In this paper, the searching methods of the file index (FI) and F-term classification system developed by the Japan Patent Office (JPO) were employed to find patents containing information on carbon nanotube technology. …”
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Applying patent information to tracking a specific technology
Published 2007-10-01“…The searching method of the FI (file index) and F-term classification system developed by JPO (Japan Patent Office) was employed in this study, where all the related patent data were searched from the IPDL (Intellectual Property Digital Library). …”
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The dataset of Japanese patents and patents’ holding firms in green vehicle powertrains field
Published 2022-10-01“…In this paper we create a method of bombinating international patent classification (IPC) and keywords to define “green” patents in vehicle powertrains field, using patent data which were applied to Japan Patent Office recorded on EPO's PATSTAT database during 2010∼2019 year. …”
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