Inventor · disambiguated record
Seiji Hiraoka
Also filed as: HIRAOKA SEIJI
4 granted patents·1 pending application·21 citations·filing 2003–2012
70Inventor score
Files withCATERPILLAR MITSUBISHI LTD1HONDA TATSURO1NIPPON STEEL & SUMITOMO METAL CORP1SAKAI KENTA1TOMOE SYSTEM INC1
Top patents by PatentIndex Score
5 records- 0163US9267900B2Method for measuring thread element at end portion of pipe or tubeSAKAI KENTA·Filed 2011·Granted Feb 23, 2016·2 cites·5 claims
- 0261US8804104B2Apparatus, system, and method for measuring thread features on pipe or tube endHONDA TATSURO·Filed 2009·Granted Aug 12, 2014·7 cites·7 claims
- 0355US6991283B2Shutter type guard apparatus for construction machineTOMOE SYSTEM INC·Filed 2003·Granted Jan 31, 2006·12 cites·20 claims
- 0437US9557165B2Method for measuring end portion shape of threaded pipe or tubeNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Jan 31, 2017·0 cites·1 claims
- 0536US2010134934A1Starter motor control circuitCATERPILLAR MITSUBISHI LTD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →