Patents/Inventors

Riichi Nishikawara

ChibaJP2 patents

3 Patents

US124672322025
Excavator
SUMITOMO CONSTRUCTION MACHINERY CO., Ltd.
0 cites
US123127732025
Excavator
SUMITOMO CONSTRUCTION MACHINERY CO., Ltd.
0 cites
US117812882023
Shovel
SUMITOMO CONSTRUCTION MACHINERY CO., Ltd.
0 cites