Inventor · disambiguated record
Takahisa Ueda
Also filed as: UEDA TAKAHISA
38 granted patents·3 pending applications·869 citations·filing 1986–2012
98Inventor score
Files withNIPPON PILLAR PACKING29UEDA TAKAHISA4KITZ CORP2NIPPON PILLAR PACKAGING CO LTD2CHIYODA CHEM ENG CONSTRUCT CO1
Top patents by PatentIndex Score
41 records- 0191US5240769APacking material and packing made of the sameNIPPON PILLAR PACKING·Filed 1992·Granted Aug 31, 1993·75 cites·15 claims
- 0291US5134030APacking material and packing made of the sameNIPPON PILLAR PACKING·Filed 1987·Granted Jul 28, 1992·63 cites·51 claims
- 0389US7845262B2Process and apparatus for producing yarn and gland packingNIPPON PILLAR PACKING·Filed 2006·Granted Dec 7, 2010·11 cites·14 claims
- 0489US5765838ASealing gasket made of expanded graphite, with opened thin-leaf surface structureNIPPON PILLAR PACKING·Filed 1996·Granted Jun 16, 1998·61 cites·3 claims
- 0589US5370405APackingNIPPON PILLAR PACKING·Filed 1993·Granted Dec 6, 1994·36 cites·4 claims
- 0688US5992857AComposite gasketNIPPON PILLAR PACKING·Filed 1997·Granted Nov 30, 1999·63 cites·8 claims
- 0787US5549306AKnitting yarn for gland packing and gland packing made of said knitting yarnNIPPON PILLAR PACKING·Filed 1995·Granted Aug 27, 1996·47 cites·6 claims
- 0886US4705722AGland packingNIPPON PILLAR PACKING·Filed 1986·Granted Nov 10, 1987·49 cites·14 claims
- 0985US6382633B1Shaft seal device using gland packingNIPPON PILLAR PACKING·Filed 1999·Granted May 7, 2002·50 cites·6 claims
- 1083US5522603APacking rings, method for production of the packing rings, and seal device using the packing ringsKITZ CORP·Filed 1994·Granted Jun 4, 1996·45 cites·19 claims
- 1181US7086650B2Gland packingNIPPON PILLAR PACKING·Filed 2003·Granted Aug 8, 2006·17 cites·2 claims
- 1279US7448631B2Braiding yarn made of expanded graphite, and gland packingNIPPON PILLAR PACKING·Filed 2005·Granted Nov 11, 2008·5 cites·2 claims
- 1379US6502382B1Expanded graphite knitting yarn and a gland packingNIPPON PILLAR PACKAGING CO LTD·Filed 2000·Granted Jan 7, 2003·20 cites·17 claims
- 1478US8382122B2GasketNIPPON PILLAR PACKING·Filed 2008·Granted Feb 26, 2013·8 cites·8 claims
- 1578US8297624B2PackingUEDA TAKAHISA·Filed 2005·Granted Oct 30, 2012·4 cites·6 claims
- 1675US5605341AKnitting yarn for gland packing and gland packing made from the knitting yarnNIPPON PILLAR PACKING·Filed 1995·Granted Feb 25, 1997·31 cites·4 claims
- 1774US5308090ASpiral wound gasketNIPPON PILLAR PACKING·Filed 1992·Granted May 3, 1994·38 cites·3 claims
- 1872US6644007B2Braiding yarn made of expanded graphiteNIPPON PILLAR PACKING·Filed 2000·Granted Nov 11, 2003·14 cites·7 claims
- 1968US5628520ASealing material made of expanded graphite having opened thin-leaf surface structureNIPPON PILLAR PACKING·Filed 1995·Granted May 13, 1997·26 cites·9 claims
- 2066US7140171B2Material for gland packing and the gland packingNIPPON PILLAR PACKING·Filed 2003·Granted Nov 28, 2006·5 cites·12 claims
- 2166US5188376AGland packing and method of producing sameNIPPON PILLAR PACKING·Filed 1991·Granted Feb 23, 1993·29 cites·5 claims
- 2265US6027809ASealing material made of expanded graphite and a method of producing the sameNIPPON PILLAR PACKING·Filed 1997·Granted Feb 22, 2000·26 cites·24 claims
- 2364US8376370B2GasketNIPPON PILLAR PACKING·Filed 2008·Granted Feb 19, 2013·2 cites·4 claims
- 2464US5803464AGland packingNIPPON PILLAR PACKING·Filed 1995·Granted Sep 8, 1998·20 cites·6 claims
- 2560US9239115B2Gland packing and packing setUEDA TAKAHISA·Filed 2012·Granted Jan 19, 2016·1 cites·5 claims
- 2659US5971399ADual density sanitary pipe gasketCHIYODA CHEM ENG CONSTRUCT CO·Filed 1997·Granted Oct 26, 1999·24 cites·4 claims
- 2757US8375693B2YarnNIPPON PILLAR PACKING·Filed 2009·Granted Feb 19, 2013·0 cites·9 claims
- 2853US8282106B1Gland packingUEDA TAKAHISA·Filed 2000·Granted Oct 9, 2012·4 cites·2 claims
- 2953US5634645ASheet-like gasket with overlapped peripheral portionsNIPPON PILLAR PACKING·Filed 1994·Granted Jun 3, 1997·19 cites·11 claims
- 3052US6568689B1Gland packingNIPPON PILLAR PACKAGING CO LTD·Filed 2000·Granted May 27, 2003·3 cites·4 claims
- 3151US7353645B2Material for gland packing and the gland packingNIPPON PILLAR PACKING·Filed 2003·Granted Apr 8, 2008·3 cites·13 claims
- 3251US7155892B2Material for gland packing and the gland packingNIPPON PILLAR PACKING·Filed 2003·Granted Jan 2, 2007·3 cites·10 claims
- 3351US5269540AMetal-covered sealing gasket having a soft, heat resistant, expandable coreNIPPON PILLAR PACKING·Filed 1992·Granted Dec 14, 1993·19 cites·10 claims
- 3450US5573253APacking rings, method for production of the packing rings, and seal device using the packing ringsKITZ CORP·Filed 1995·Granted Nov 12, 1996·15 cites·1 claims
- 3542US6082739AGland packingNIPPON PILLAR PACKING·Filed 1998·Granted Jul 4, 2000·8 cites·8 claims
- 3642US2009108534A1Yarn and Gland PackingUEDA TAKAHISA·Filed 2006·Application pending·0 cites
- 3741US2004021274A1Structural material for a gland packingFiled 2002·Application pending·0 cites
- 3839US7491446B2Annular sliding fluoroplastics member, and method of producing an annular sliding fluoroplastics memberNIPPON PILLAR PACKING·Filed 1999·Granted Feb 17, 2009·7 cites·13 claims
- 3938US6004890AHeat-resisting materialMITSUBISHI CHEM CORP·Filed 1998·Granted Dec 21, 1999·9 cites·44 claims
- 4037US4844479AStructure of a gland packing boxNIPPON PILLAR PACKING·Filed 1987·Granted Jul 4, 1989·9 cites·16 claims
- 4129US2003193147A1Spiral wound gasket and graphite filler material for a spiral wound gasketFiled 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →