Inventor · disambiguated record

Fumio Numakura

Also filed as: NUMAKURA FUMIO

2 granted patents·27 citations·filing 1988–1989

61Inventor score

Technology areasF16H

Files withNHK SPRING CO LTD2

Top patents by PatentIndex Score

2 records

0173US4902266ATensioner for a chain, a belt or the likeNHK SPRING CO LTD·Filed 1988·Granted Feb 20, 1990·21 cites·14 claims
0240US4959041ATensioner for a chain, a belt or the likeNHK SPRING CO LTD·Filed 1989·Granted Sep 25, 1990·6 cites·6 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →