Akira Koyama

2 Patents

• US125057322025

  Disaster Information Provision Device, Disaster Information Provision System, Disaster Information Provision Method, and Disaster Information Provision Program

  NTT, Inc.

  0 cites
• US115815802023

  Electrolyte for Lithium Ion Secondary Battery, Lithium Ion Secondary Battery, and Module

  DAIKIN INDUSTRIES, Ltd.

  0 cites