Inventor · disambiguated record
Akifumi Kawana
Also filed as: KAWANA AKIFUMI
9 granted patents·23 citations·filing 1994–2020
83Inventor score
Top patents by PatentIndex Score
9 records- 0169US11203797B2Steel wire and wire rodNIPPON STEEL CORP·Filed 2020·Granted Dec 21, 2021·0 cites·9 claims
- 0268US10704118B2Steel wire and wire rodOKONOGI MAKOTO·Filed 2011·Granted Jul 7, 2020·1 cites·6 claims
- 0346US5662747ABainite wire rod and wire for drawing and methods of producing the sameNIPPON STEEL CORP·Filed 1994·Granted Sep 2, 1997·6 cites·8 claims
- 0443US10287658B2Wire material for non-heat treated component, steel wire for non-heat treated component, and non-heat treated component and manufacturing method thereofOKONOGI MAKOTO·Filed 2012·Granted May 14, 2019·0 cites·20 claims
- 0536US5658402AHigh-carbon steel wire rod and wire excellent in drawability and methods of producing the sameNIPPON STEEL CORP·Filed 1994·Granted Aug 19, 1997·4 cites·10 claims
- 0636US5647918ABainite wire rod and wire for drawing and methods of producing the sameNIPPON STEEL CORP·Filed 1994·Granted Jul 15, 1997·4 cites·7 claims
- 0735US5665182AHigh-carbon steel wire rod and wire excellent in drawability and methods of producing the sameNIPPON STEEL CORP·Filed 1994·Granted Sep 9, 1997·3 cites·10 claims
- 0835US5650027AHigh-carbon steel wire rod and wire excellent in drawability and methods of producing the sameNIPPON STEEL CORP·Filed 1994·Granted Jul 22, 1997·3 cites·10 claims
- 0930US5658399ABainite wire rod and wire for drawing and methods of producing the sameNIPPON STEEL CORP·Filed 1994·Granted Aug 19, 1997·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →