Inventor · disambiguated record
Mitsumasa Iijima
Also filed as: IIJIMA MITSUMASA
8 granted patents·1 pending application·99 citations·filing 1997–2003
87Inventor score
Files withUNISIA JECS CORP4KAWASAKI STEEL CO2HITACHI UNISIA AUTOMOTIVE LTD1JFE STEEL CORP1UNISA JECS CORP1
Top patents by PatentIndex Score
9 records- 0186US6696014B2Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high densityJFE STEEL CORP·Filed 2002·Granted Feb 24, 2004·20 cites·16 claims
- 0278US6514307B2Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high densityKAWASAKI STEEL CO·Filed 2001·Granted Feb 4, 2003·10 cites·2 claims
- 0374US5885162AUniversal jointUNISIA JECS CORP·Filed 1997·Granted Mar 23, 1999·26 cites·7 claims
- 0472US5970776AApparatus for forming a cup-shaped cageUNISIA JECS CORP·Filed 1998·Granted Oct 26, 1999·27 cites·21 claims
- 0555US6503443B1Metallic powder molding material and its re-compression molded body and sintered body obtained from the re-compression molded body and production methods thereofUNISIA JECS CORP·Filed 2000·Granted Jan 7, 2003·3 cites·18 claims
- 0652US6905530B2Metallic powder-molded body, re-compacted body of the molded body, sintered body produced from the re-compacted body, and processes for production thereofKAWASAKI STEEL CO·Filed 2002·Granted Jun 14, 2005·2 cites·21 claims
- 0752US6454991B1Method of forging raw material for sintering and forgingUNISA JECS CORP·Filed 2001·Granted Sep 24, 2002·3 cites·20 claims
- 0839US2003215349A1Production method of high density iron based forged partHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Application pending·0 cites
- 0936US6146281AOuter joint part of a constant velocity ball jointUNISIA JECS CORP·Filed 1998·Granted Nov 14, 2000·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →