Assignee
NIPPON KOSHUHA STEEL CO LTD
JP·8 granted patents·1 pending application·142 citations·filing 1993–2018
Top patents by PatentIndex Score
9 records- 0184US5458703ATool steel production methodNIPPON KOSHUHA STEEL CO LTD·Filed 1993·Granted Oct 17, 1995·56 cites·4 claims
- 0276US5732512AManhole opening structureNIPPON KOSHUHA STEEL CO LTD·Filed 1996·Granted Mar 31, 1998·46 cites·4 claims
- 0369US9991438B2Magnetostrictive member and manufacturing method thereofNIPPON KOSHUHA STEEL CO LTD·Filed 2017·Granted Jun 5, 2018·0 cites·2 claims
- 0468US2018233654A1Magnetostrictive member and manufacturing method thereofNIPPON KOSHUHA STEEL CO LTD·Filed 2018·Application pending·0 cites
- 0544US5630538AFlexible type casting gate breaking machineNIPPON KOSHUHA STEEL CO LTD·Filed 1995·Granted May 20, 1997·8 cites·1 claims
- 0643US5628218AFlaw treatment method and apparatus for a wire-shaped metalNIPPON KOSHUHA STEEL CO LTD·Filed 1994·Granted May 13, 1997·15 cites·5 claims
- 0743US5582051AAutomatic flaw-cutting method and apparatus for wire-shaped metalNIPPON KOSHUHA STEEL CO LTD·Filed 1994·Granted Dec 10, 1996·15 cites·2 claims
- 0842US10829841B2Hot work tool steelNIPPON KOSHUHA STEEL CO LTD·Filed 2015·Granted Nov 10, 2020·0 cites·13 claims
- 0921US6060018ACold 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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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →