Inventor · disambiguated record
Masahide Umino
Also filed as: UMINO MASAHIDE
5 granted patents·91 citations·filing 1982–2005
81Inventor score
Files withSUMITOMO METAL IND5
Top patents by PatentIndex Score
5 records- 0188US6479013B1Casting components made from a tool steelSUMITOMO METAL IND·Filed 2000·Granted Nov 12, 2002·29 cites·16 claims
- 0282US6478898B1Method of producing tool steelsSUMITOMO METAL IND·Filed 2000·Granted Nov 12, 2002·17 cites·6 claims
- 0372US4448746AProcess for producing alloy steel powderSUMITOMO METAL IND·Filed 1982·Granted May 15, 1984·26 cites·17 claims
- 0470US7566372B2Railway car wheelSUMITOMO METAL IND·Filed 2005·Granted Jul 28, 2009·1 cites·8 claims
- 0563US4437891AOil-atomized low-alloy steel powderSUMITOMO METAL IND·Filed 1982·Granted Mar 20, 1984·18 cites·10 claims
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