Inventor · disambiguated record
Ryutaro Kawamata
Also filed as: KAWAMATA RYUTARO
4 granted patents·1 pending application·37 citations·filing 1995–2016
75Inventor score
Top patents by PatentIndex Score
5 records- 0177US6743304B2Non-oriented electrical steel sheet with ultra-high magnetic flux density and production method thereofNIPPON STEEL CORP·Filed 2001·Granted Jun 1, 2004·11 cites·13 claims
- 0265US6478892B2Low iron loss non-oriented electrical steel sheet excellent in workability and method for producing the sameNIPPON STEEL CORP·Filed 2001·Granted Nov 12, 2002·6 cites·12 claims
- 0364US5803989AProcess for producing non-oriented electrical steel sheet having high magnetic flux density and low iron lossNIPPON STEEL CORP·Filed 1995·Granted Sep 8, 1998·14 cites·6 claims
- 0456US6425962B1Non-oriented electrical steel sheet excellent in permeability and method of producing the sameNIPPON STEEL CORP·Filed 2000·Granted Jul 30, 2002·6 cites·3 claims
- 0540US2020076250A1Non-oriented electrical steel sheet manufacturing method and claw pole motorNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →