Yuki Umemura

4 Patents

• US125750292026

  Wiring Board

  TOPPAN Inc.

  0 cites
• US125455952026

  Low-crystalline Phosphorouscontaining Vanadium Sulfide, Method for Producing, Active Material, Electrode, and Lithium Ion Secondary Battery Including the Same

  National Institute Of Advanced Industrial Science And Technology

  0 cites
• US124630562025

  Wiring Board Manufacturing Method and Wiring Board

  TOPPAN Inc.

  0 cites
• US120682102024

  Package Substrate and Method of Manufacturing the Same

  TOPPAN PRINTING CO., Ltd.

  0 cites