Inventor · disambiguated record

Kinzo Yamamura

Also filed as: YAMAMURA KINZO

1 granted patent·4 citations·filing 1975–1975

25Inventor score

Technology areasB60L

Files withJAPAN NATIONAL RAILWAY1

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1 record

0132US4031990ASet of current collecting elements used for a current collecting rollerJAPAN NATIONAL RAILWAY·Filed 1975·Granted Jun 28, 1977·4 cites·9 claims

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Kinzo Yamamura — Patent Inventor | PatentIndex