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Kazuhisa Yokoyama
Osaka
JP
2 patents
3 Patents
US12607749
2026
Obstacle Detection System for Work Vehicle
Yanmar Power Technology Co., Ltd.
0 cites
US12292734
2025
Wireless Communication Terminal Device
Yanmar Power Technology Co., Ltd.
0 cites
US11692592
2023
Propeller Shaft and Production Method for Same
HITACHI ASTEMO, Ltd.
0 cites