Katsuhiko Sugiura

3 Patents

• US126203842026

  Sound-blocking Sheet Member, Sound-blocking Structure Using Same, and Method for Manufacturing Sound-blocking Sheet Member

  Mitsubishi Chemical Corporation

  0 cites
• US120206762024

  Sound-blocking Sheet Member, Sound-blocking Structure Using Same, and Method for Manufacturing Sound-blocking Sheet Member

  Mitsubishi Chemical Corporation

  0 cites
• USD09764482023

  Vibration Control and Noise Insulation Material

  Mitsubishi Chemical Corporation

  0 cites