Assignee
HIDAKA SEIKI KK
JP·37 granted patents·410 citations·filing 1983–2021
Top patents by PatentIndex Score
37 records- 0194US5806173ATube expanderHIDAKA SEIKI KK·Filed 1996·Granted Sep 15, 1998·79 cites·7 claims
- 0291US9259776B2Manufacturing apparatus for heat exchanger finsHIDAKA SEIKI KK·Filed 2013·Granted Feb 16, 2016·9 cites·3 claims
- 0390US9079277B2Stacking apparatus and manufacturing apparatus for flattened tube finsHIDAKA SEIKI KK·Filed 2013·Granted Jul 14, 2015·10 cites·1 claims
- 0488US9987673B2Manufacturing apparatus for heat exchanger finsHIDAKA SEIKI KK·Filed 2014·Granted Jun 5, 2018·8 cites·2 claims
- 0587US9199346B2Manufacturing apparatus for flattened tube finsHIDAKA SEIKI KK·Filed 2012·Granted Dec 1, 2015·7 cites·11 claims
- 0687US5349841AFeeding apparatus for metal belting and manufacturing apparatus for fins of a heat exchangerHIDAKA SEIKI KK·Filed 1992·Granted Sep 27, 1994·38 cites·20 claims
- 0784US9089935B2Manufacturing apparatus for flattened tube finsHIDAKA SEIKI KK·Filed 2013·Granted Jul 28, 2015·5 cites·6 claims
- 0882US9192978B2Manufacturing apparatus for flattened tube finsHIDAKA SEIKI KK·Filed 2013·Granted Nov 24, 2015·7 cites·3 claims
- 0981US9120191B2Manufacturing apparatus for flattened tube finsHIDAKA SEIKI KK·Filed 2013·Granted Sep 1, 2015·7 cites·4 claims
- 1079US5237849AMethod of manufacturing fins for heat exchangersHIDAKA SEIKI KK·Filed 1992·Granted Aug 24, 1993·44 cites·6 claims
- 1176US10946433B2Manufacturing apparatus for heat exchanger finsHIDAKA SEIKI KK·Filed 2016·Granted Mar 16, 2021·1 cites·4 claims
- 1274US7340935B2Equipment for producing corrugate finHIDAKA SEIKI KK·Filed 2006·Granted Mar 11, 2008·6 cites·4 claims
- 1370US5426847AAssembling apparatus for a heat exchangerHIDAKA SEIKI KK·Filed 1993·Granted Jun 27, 1995·25 cites·16 claims
- 1467US10406589B2Apparatus for inserting flattened tubes into heat exchanger finsHIDAKA SEIKI KK·Filed 2015·Granted Sep 10, 2019·2 cites·4 claims
- 1567US5600992ADie setHIDAKA SEIKI KK·Filed 1995·Granted Feb 11, 1997·22 cites·17 claims
- 1665US10583990B2Apparatus for conveying molded body for heat exchanger finsHIDAKA SEIKI KK·Filed 2016·Granted Mar 10, 2020·2 cites·7 claims
- 1765US5159826ADie set for manufacturing fins of heat exchangers and a manufacturing device using the sameHIDAKA SEIKI KK·Filed 1991·Granted Nov 3, 1992·32 cites·25 claims
- 1864US6928849B1Method of manufacturing heat exchanging fin and die set for manufacturing the sameHIDAKA SEIKI KK·Filed 2003·Granted Aug 16, 2005·7 cites·8 claims
- 1964US5921130AHeat exchanging fin and die-punch set for manufacturing the sameHIDAKA SEIKI KK·Filed 1997·Granted Jul 13, 1999·16 cites·4 claims
- 2061US6460394B2Method of manufacturing heat exchanging fin and die set for manufacturing the sameHIDAKA SEIKI KK·Filed 2001·Granted Oct 8, 2002·7 cites·4 claims
- 2161US6318145B1Tube expanding bullet and method of expanding tubeHIDAKA SEIKI KK·Filed 2000·Granted Nov 20, 2001·6 cites·10 claims
- 2260US5040405ATube expanderHIDAKA SEIKI KK·Filed 1990·Granted Aug 20, 1991·23 cites·6 claims
- 2358US6415506B1Method of manufacturing heat exchangerHIDAKA SEIKI KK·Filed 2000·Granted Jul 9, 2002·8 cites·6 claims
- 2456US12030108B2Manufacturing apparatus for heat dissipation finsHIDAKA SEIKI KK·Filed 2021·Granted Jul 9, 2024·0 cites·18 claims
- 2551US5797291ADie set for manufacturing heat exchanging fin of heat exchangerHIDAKA SEIKI KK·Filed 1997·Granted Aug 25, 1998·10 cites·16 claims
- 2648US10974308B2Guide apparatus for hairpin-shaped heat exchanger tubesHIDAKA SEIKI KK·Filed 2016·Granted Apr 13, 2021·0 cites·3 claims
- 2748US10835945B2Alignment apparatus for hairpin-shaped heat exchanger tubesHIDAKA SEIKI KK·Filed 2016·Granted Nov 17, 2020·0 cites·13 claims
- 2848US6209201B1Method of manufacturing a heat exchanging finHIDAKA SEIKI KK·Filed 1999·Granted Apr 3, 2001·12 cites·10 claims
- 2947US10773295B2Alignment apparatus for hairpin-shaped heat exchanger tubesHIDAKA SEIKI KK·Filed 2016·Granted Sep 15, 2020·0 cites·3 claims
- 3047US10702908B2Apparatus for conveying molded body for heat exchanger finsHIDAKA SEIKI KK·Filed 2016·Granted Jul 7, 2020·0 cites·9 claims
- 3144US10906142B2Stacking apparatus for heat exchanger coresHIDAKA SEIKI KK·Filed 2016·Granted Feb 2, 2021·0 cites·11 claims
- 3243US10899569B2Apparatus for conveying molded body for flattened tube finsHIDAKA SEIKI KK·Filed 2016·Granted Jan 26, 2021·0 cites·5 claims
- 3343US10793385B2Apparatus for conveying molded body for heat exchanger finsHIDAKA SEIKI KK·Filed 2016·Granted Oct 6, 2020·0 cites·20 claims
- 3441US10406588B2Apparatus for inserting flattened tubes into heat exchanger finsHIDAKA SEIKI KK·Filed 2015·Granted Sep 10, 2019·0 cites·8 claims
- 3541US10112273B2Apparatus for taking out flattened tube finsHIDAKA SEIKI KK·Filed 2015·Granted Oct 30, 2018·0 cites·3 claims
- 3636US5501092ADie-punch machineHIDAKA SEIKI KK·Filed 1994·Granted Mar 26, 1996·10 cites·22 claims
- 3727US4519121AMethod of and apparatus for mounting plate fins of hairpin pipesHIDAKA SEIKI KK·Filed 1983·Granted May 28, 1985·7 cites·2 claims
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