Inventor · disambiguated record
Eiji Tsuru
Also filed as: TSURU EIJI
29 granted patents·2 pending applications·633 citations·filing 1988–2017
97Inventor score
Files withBRIDGESTONE CORP10NIPPON STEEL CORP9KISSEI PHARMACEUTICAL3ASAHI HITOSHI2NIPPON STEEL & SUMITOMO METAL CORP2
Top patents by PatentIndex Score
31 records- 0194US6782921B1High-strength steel pipe excellent in formability and burst resistanceNIPPON STEEL CORP·Filed 2001·Granted Aug 31, 2004·29 cites·4 claims
- 0294US6079802ARubber crawlerBRIDGESTONE CORP·Filed 1998·Granted Jun 27, 2000·87 cites·14 claims
- 0392USD455444SRubber crawlerBRIDGESTONE CORP·Filed 2001·Granted Apr 9, 2002·50 cites·1 claims
- 0491USD454890SRubber crawlerBRIDGESTONE CORP·Filed 2001·Granted Mar 26, 2002·45 cites·1 claims
- 0588US6027145AJoint for steel pipe having high galling resistance and surface treatment method thereofNIPPON STEEL CORP·Filed 1995·Granted Feb 22, 2000·164 cites·16 claims
- 0685US7967926B2UOE steel pipe excellent in collapse strength and method of production thereofNIPPON STEEL CORP·Filed 2009·Granted Jun 28, 2011·4 cites·3 claims
- 0779US5919577AFe-based alloy foil for liquid-phase diffusion bonding of Fe-based materials by enabling bonding in oxidizing atmospheresNIPPON STEEL CORP·Filed 1997·Granted Jul 6, 1999·28 cites·24 claims
- 0878US7459033B2Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereofNIPPON STEEL CORP·Filed 2003·Granted Dec 2, 2008·10 cites·6 claims
- 0976US9188253B2Oil country tubular goods with dual phase structure and producing method thereofSAWAMURA MITSURU·Filed 2011·Granted Nov 17, 2015·2 cites·20 claims
- 1074US8354382B2Hemifumarate of a pyrazole derivativeKISSEI PHARMACEUTICAL·Filed 2009·Granted Jan 15, 2013·1 cites·7 claims
- 1174US7892368B2UOE steel pipe excellent in collapse strength and method of production thereofNIPPON STEEL CORP·Filed 2003·Granted Feb 22, 2011·7 cites·5 claims
- 1273US8653400B2High strength welded steel tube superior in hydrogen embrittlement cracking resistance of weld metal and method of production of sameTSURU EIJI·Filed 2006·Granted Feb 18, 2014·3 cites·6 claims
- 1372US8399418B2Monosebacate of pyrazole derivativeTAKEUCHI HIDEKI·Filed 2008·Granted Mar 19, 2013·1 cites·10 claims
- 1467US8955887B2Liquid phase diffusion bonded pipe jointTSURU EIJI·Filed 2009·Granted Feb 17, 2015·2 cites·9 claims
- 1567US6742852B2Rubber crawlerBRIDGESTONE CORP·Filed 2001·Granted Jun 1, 2004·16 cites·1 claims
- 1667US4830411AThreaded joint for oil-well pipeNIPPON STEEL CORP·Filed 1988·Granted May 16, 1989·45 cites·5 claims
- 1766US6843539B2Elastic endless crawler and method of producing the sameBRIDGESTONE CORP·Filed 2000·Granted Jan 18, 2005·14 cites·11 claims
- 1865US6264761B1Alloy foil for liquid-phase diffusion bonding bondable in oxidizing atmosphereFiled 1997·Granted Jul 24, 2001·23 cites·24 claims
- 1961US9737962B2Pipeline and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Aug 22, 2017·0 cites·4 claims
- 2061US7438778B2Elastic endless crawler and method of manufacturing the sameBRIDGESTONE CORP·Filed 2004·Granted Oct 21, 2008·10 cites·17 claims
- 2159US5403643AMetallic core of rubber trackBRIDGESTONE CORP·Filed 1992·Granted Apr 4, 1995·20 cites·19 claims
- 2258US7077485B2Rubber crawlerBRIDGESTONE CORP·Filed 2001·Granted Jul 18, 2006·11 cites·7 claims
- 2353US10449636B2Pipeline and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Oct 22, 2019·0 cites·5 claims
- 2450US6176524B1Oil well pipe threaded jointNIPPON STEEL CORP·Filed 1996·Granted Jan 23, 2001·31 cites·10 claims
- 2546US8815024B2Steel plate or steel pipe with small occurrence of Bauschinger effect and methods of production of sameASAHI HITOSHI·Filed 2005·Granted Aug 26, 2014·0 cites·4 claims
- 2646US7524001B2Rubber crawlerBRIDGESTONE CORP·Filed 2003·Granted Apr 28, 2009·4 cites·18 claims
- 2745US6705648B1Pipe jointNIPPON STEEL CORP·Filed 1998·Granted Mar 16, 2004·24 cites·8 claims
- 2843US7036893B2Rubber crawler and its manufacture methodBRIDGESTONE CORP·Filed 2002·Granted May 2, 2006·2 cites·13 claims
- 2943US6376707B1Crystal polymorphism of aminoethylphenoxyacetic acid derivativeKISSEI PHARMACEUTICAL·Filed 2000·Granted Apr 23, 2002·0 cites·1 claims
- 3043US2009044882A1Oil well pipe for expandable tubular applications excellent in post-expansion toughness and method of manufacturing the sameASAHI HITOSHI·Filed 2006·Application pending·0 cites
- 3142US2006142374A1Crystal for oral solid drug and oral solid drug for dysuria treatment containing the sameKISSEI PHARMACEUTICAL·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →