Katsuma Ookura

2 Patents

• US123961462025

  Electromagnetic Wave Shield Film

  TATSUTA ELECTRIC WIRE & CABLE CO., Ltd.

  0 cites
• US123826182025

  Electromagnetic Wave Shielding Film and Shielded Printed Wiring Board

  TATSUTA ELECTRIC WIRE & CABLE CO., Ltd.

  0 cites