| Apr, 2026 - | Japan Patent Attorneys Association / Executive Director |
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| Apr, 2025 - Mar, 2026 | Japan Patent Attorneys Association Committee on IP for Agriculture, Forestry and Fisheries / Member |
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| Apr, 2024 - | Japan Patent Attorneys Association DE&I Promotion Committee / Member |
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| Apr, 2023 - Mar, 2024 | Japan Patent Attorneys Association D&I Promotion Committee |
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| Apr, 2022 - Mar, 2023 | Japan Patent Attorneys Association / Member |
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| Apr, 2021 - Mar, 2023 | Japan Patent Attorneys Association Diversity Promotion Committee / Vice Chair |
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| Apr, 2021 - Mar, 2022 | Japan Patent Attorneys Association DX Committee / Member |
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| Jan, 2021 - Dec, 2021 | Nishiben Club / Secretary-General |
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| Apr, 2020 - Mar, 2021 | Japan Patent Attorneys Association Patent Attorney Act Amendment Committee / Member |
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| Apr, 2019 - Mar, 2026 | Japan Patent Attorneys Association Kansai Branch / Member |
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| Oct, 2016 - Mar, 2018 | Japan Patent Attorneys Association Central Research Institute of Intellectual Property / Researcher (Research on claim construction and description requirements of patent application ) |
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| Apr, 2013 - Mar, 2014 | Japan Patent Attorneys Association IP Right Strategy Working Group / Member |
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| Apr, 2012 - Mar, 2014 | Japan Patent Attorneys Association International Activities Center International Policy Research Devision / Director |
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| Apr, 2011 - Mar, 2012 | Japan Patent Attorneys Association / Council members |
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| Apr, 2011 - Mar, 2012 | Japan Patent Attorneys Association International Activities Center International Policy Research Devision / Vice President |
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| Apr, 2009 - Mar, 2010 | International Association for the Protection of Intellectual Pro Research group on the protection of Computer-software and busine / Researcher |
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| Apr, 2009 - Mar, 2010 | Japan Patent Attorneys Association Central Research Institute of Intellectual Property / Researcher (Research on trials at JPO and related systems) |
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| Apr, 2008 - Mar, 2009 | Japan Patent Attorneys Association Central Research Institute of Intellectual Property / Researcher (Research on Japanese Patent Law Article 104-3) |
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| Jan, 2008 - Dec, 2008 | Kansai Patent Attorneys Study Group / President |
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| Apr, 2007 - Mar, 2010 | Japan Patent Attorneys Association Software Committee / Vice President |
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| Apr, 2007 - Mar, 2010 | Information-technology Promotion Agency, Japan Open Software Center Legal Task Group / Committee Member |
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| Apr, 2002 - Mar, 2010 | Japan Patent Attorneys Association Software Committee |
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