Inventor · disambiguated record

Keiichi Hayashida

Also filed as: HAYASHIDA KEIICHI

1 granted patent·2 citations·filing 1998–1998

19Inventor score

Technology areasC22C

Files withNIPPON KOSHUHA STEEL CO LTD1

Top patents by PatentIndex Score

1 record

0121US6060018ACold tool steel featuring high size stability, wear-resistance and machinabilityNIPPON KOSHUHA STEEL CO LTD·Filed 1998·Granted May 9, 2000·2 cites·4 claims

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Keiichi Hayashida — Patent Inventor | PatentIndex