TREA

Ryo Tsumura

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  • Tokyo, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    HOLLOW PARTICLE
    • Publication number 20250215178
    • Publication date Jul 3, 2025
    • Zeon Corporation
    • Ryo Tsumura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    HOLLOW PARTICLE
    • Publication number 20250075018
    • Publication date Mar 6, 2025
    • Zeon Corporation
    • Ryo Tsumura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING HOLLOW RESIN PARTICLES
    • Publication number 20230340176
    • Publication date Oct 26, 2023
    • Zeon Corporation
    • Ryo Tsumura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...