Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Shoichiro Shimizu
Osaka
JP
2 patents
2 Patents
US12305741
2025
Sprocket
TSUBAKIMOTO CHAIN Co.
0 cites
US12031620
2024
Sprocket and Chain Drive System
TSUBAKIMOTO CHAIN Co.
0 cites