Inventor · disambiguated record

Yusuke Kumagawa

Also filed as: KUMAGAWA YUSUKE

1 granted patent·1 pending application·0 citations·filing 2017–2017

3Inventor score

Technology areasB21F

Files withNHK SPRING CO LTD2

Top patents by PatentIndex Score

2 records

0134US10556265B2Coiling machine and manufacturing method of coil springNHK SPRING CO LTD·Filed 2017·Granted Feb 11, 2020·0 cites·1 claims
0231US2018071812A1Device for manufacturing coil spring and method for manufacturing coil springNHK SPRING CO LTD·Filed 2017·Application pending·0 cites

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