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Inventor
WATANABE YUSIYO
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE YUSIYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AKEBONO BRAKE IND
1 patent
US4017089A
Apr 12, 1977
Sealing device for hydraulically or pneumatically operated equipment
AKEBONO BRAKE IND
21 citations
77
NIPPON STEEL CORP
1 patent
US4902473A
Feb 20, 1990
Rotary brake disc
NIPPON STEEL CORP
18 citations
76