Takashi Iijima

3 Patents

• US121427702024

  Carbon Material for Use as Catalyst Carrier of Polymer Electrolyte Fuel Cell and Method of Producing the Same

  NIPPON STEEL CHEMICAL & MATERIAL CO., Ltd.

  0 cites
• US120575892024

  Carbon Material for Catalyst Carrier of Polymer Electrolyte Fuel Cell and Method of Producing the Same

  NIPPON STEEL CHEMICAL & MATERIAL CO., Ltd.

  0 cites
• US115766532023

  Ultrasonic Generator

  NGK SPARK PLUG CO., Ltd.

  0 cites