Inventor · disambiguated record
Hidenori Hiromatsu
Also filed as: HIROMATSU HIDENORI
4 granted patents·20 citations·filing 2000–2012
68Inventor score
Technology areasC22C
Top patents by PatentIndex Score
4 records- 0177US6322747B1High-strength spring steelMITSUBISHI STEEL MURORAN INC·Filed 2000·Granted Nov 27, 2001·19 cites·20 claims
- 0258US8337642B2Spring steel with improved hardenability and pitting resistanceFUKUZUMI TATSUO·Filed 2012·Granted Dec 25, 2012·0 cites·3 claims
- 0355US7850794B2Spring steel with improved hardenability and pitting resistanceMITSUBISHI STEEL MFG·Filed 2003·Granted Dec 14, 2010·1 cites·3 claims
- 0454US8197614B2Spring steel with improved hardenability and pitting resistanceFUKUZUMI TATSUO·Filed 2010·Granted Jun 12, 2012·0 cites·3 claims
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