Patents/Inventors

Masatsugu Arai

TsuchiuraJP2 patents

3 Patents

US122217742025
Operation Record Analysis System for Construction Machine
HITACHI CONSTRUCTION MACHINERY CO., Ltd.
0 cites
US121871302025
Electric Vehicle
Hitachi Construction Machinery Co., Ltd.
0 cites
US118340332023
Regenerative Braking System and Electrically-driven Work Vehicle Using Regenerative Braking System
Hitachi Construction Machinery Co., Ltd.
0 cites