Assignee
TOTAKU IND
JP·34 granted patents·3 pending applications·989 citations·filing 1995–2004
Top patents by PatentIndex Score
37 records- 0190US6367849B1Joint for corrugated pipeTOTAKU IND·Filed 2000·Granted Apr 9, 2002·83 cites·28 claims
- 0288US6347646B2Flexible hoseTOTAKU IND·Filed 2001·Granted Feb 19, 2002·61 cites·12 claims
- 0386US6435567B2Coupling structure for tubeTOTAKU IND·Filed 2001·Granted Aug 20, 2002·74 cites·20 claims
- 0481US6398270B1Corrugated pipe jointTOTAKU IND·Filed 2000·Granted Jun 4, 2002·31 cites·12 claims
- 0580US5704401AWashing machine hoseTOTAKU IND·Filed 1996·Granted Jan 6, 1998·51 cites·9 claims
- 0679US6103971ACleaner hose with internal spiral wound steel and resin fibersTOTAKU IND·Filed 1998·Granted Aug 15, 2000·55 cites·21 claims
- 0776US6216742B1Heat insulating hoseTOTAKU IND·Filed 2000·Granted Apr 17, 2001·23 cites·20 claims
- 0874US6659136B2Flexible hoseTOTAKU IND·Filed 2001·Granted Dec 9, 2003·25 cites·14 claims
- 0973US6007110ABell mouth for annularly corrugated pipeTOTAKU IND·Filed 1998·Granted Dec 28, 1999·40 cites·7 claims
- 1072US6659510B1Pipe-end-connecting jointTOTAKU IND·Filed 1999·Granted Dec 9, 2003·43 cites·7 claims
- 1172US5795634AHeat insulating noise reducing ductTOTAKU IND·Filed 1996·Granted Aug 18, 1998·43 cites·5 claims
- 1271US5778941ACleaner hoseTOTAKU IND·Filed 1996·Granted Jul 14, 1998·47 cites·14 claims
- 1370US6250339B1Sound-absorbing and heat-insulating ductTOTAKU IND·Filed 2000·Granted Jun 26, 2001·20 cites·19 claims
- 1469US5832960AWire harness protectorTOTAKU IND·Filed 1997·Granted Nov 10, 1998·33 cites·19 claims
- 1568US6131616ACorrugated synthetic resin pipeTOTAKU IND·Filed 1999·Granted Oct 17, 2000·34 cites·17 claims
- 1667US6227578B1Corrugated resin elbowTOTAKU IND·Filed 1998·Granted May 8, 2001·30 cites·11 claims
- 1766US6209929B1Connector for mounting a spiral pipe onto a wall memberTOTAKU IND·Filed 1999·Granted Apr 3, 2001·33 cites·16 claims
- 1866US5944059ASynthetic resin hose and method for producing the sameTOTAKU IND·Filed 1997·Granted Aug 31, 1999·22 cites·24 claims
- 1964US6179009B1Heat-insulating and noise reducing ductTOTAKU IND·Filed 1999·Granted Jan 30, 2001·23 cites·7 claims
- 2064US6076992AUnderdrain pipeTOTAKU IND·Filed 1997·Granted Jun 20, 2000·21 cites·22 claims
- 2163US5806567AHeat insulated hoseTOTAKU IND·Filed 1997·Granted Sep 15, 1998·30 cites·15 claims
- 2262US5887909AJoint for different-diameter pipes and method of connecting different-diameter pipesTOTAKU IND·Filed 1996·Granted Mar 30, 1999·39 cites·18 claims
- 2356US6237969B1Connector for connecting spirally corrugated pipe to wallTOTAKU IND·Filed 1999·Granted May 29, 2001·22 cites·29 claims
- 2455US6581979B2Joint for spiral pipe and connecting methodTOTAKU IND·Filed 2001·Granted Jun 24, 2003·6 cites·20 claims
- 2555US6340181B1Bellmouth with joint block body with the bellmouth and hand hole with the bellmouthTOTAKU IND·Filed 1999·Granted Jan 22, 2002·20 cites·18 claims
- 2653US6338507B1Synthetic resin pipe with jointTOTAKU IND·Filed 1999·Granted Jan 15, 2002·20 cites·20 claims
- 2751US6471251B1Spirally corrugated pipe elbow and method for manufacturing sameTOTAKU IND·Filed 2000·Granted Oct 29, 2002·3 cites·8 claims
- 2848US6905286B2Porous pipe and apparatus and method of producing the sameTOTAKU IND·Filed 2002·Granted Jun 14, 2005·1 cites·2 claims
- 2945US2005163956A1Resin hose with resin reinforcing wire rodTOTAKU IND·Filed 2004·Application pending·0 cites
- 3040US2003029987A1Bell mouth and method for manufacturing box to be buried under groundTOTAKU IND·Filed 2002·Application pending·0 cites
- 3139US5950369AConnecting tubular body for handhole or manhole, block body for the tubular body, and handhole or handhole structureTOTAKU IND·Filed 1998·Granted Sep 14, 1999·10 cites·5 claims
- 3235US6024130ASynthetic resin pipeTOTAKU IND·Filed 1998·Granted Feb 15, 2000·12 cites·12 claims
- 3335US5839477ACorrugated resin pipeTOTAKU IND·Filed 1997·Granted Nov 24, 1998·15 cites·24 claims
- 3434US2004175540A1Incombustible duct hose and method for manufacturing the sameTOTAKU IND·Filed 2004·Application pending·0 cites
- 3533US5981876APC cable protective sheath for prestressed concreteTOTAKU IND·Filed 1996·Granted Nov 9, 1999·6 cites·14 claims
- 3632US6235232B1Synthetic resin hose and method for producing the sameTOTAKU IND·Filed 1999·Granted May 22, 2001·3 cites·4 claims
- 3726US5647401AReinforcing-thread-buried resin pipeTOTAKU IND·Filed 1995·Granted Jul 15, 1997·10 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →