Assignee
ZHOU DAJUN
US·12 granted patents·3 pending applications·13 citations·filing 2011–2021
Top patents by PatentIndex Score
15 records- 0192US10786842B2Draw-in control for sheet drawingZHOU DAJUN·Filed 2018·Granted Sep 29, 2020·4 cites·13 claims
- 0280US9149854B2Stamping apparatusZHOU DAJUN·Filed 2011·Granted Oct 6, 2015·4 cites·20 claims
- 0378US9120137B2Stamping apparatus and method of useZHOU DAJUN·Filed 2012·Granted Sep 1, 2015·4 cites·16 claims
- 0472US9827606B2Stamping apparatus having flared beadZHOU DAJUN·Filed 2015·Granted Nov 28, 2017·1 cites·16 claims
- 0562US11285523B2Metal forming method including post-forming stretching to control springbackZHOU DAJUN·Filed 2019·Granted Mar 29, 2022·0 cites·14 claims
- 0660US11401565B2Sheet metal forming die laser surface hardening processZHOU DAJUN·Filed 2019·Granted Aug 2, 2022·0 cites·12 claims
- 0757US11684962B2Stamping apparatus having a part-time draw beadZHOU DAJUN·Filed 2021·Granted Jun 27, 2023·0 cites·16 claims
- 0857US10668516B2Post-compression for springback reductionZHOU DAJUN·Filed 2016·Granted Jun 2, 2020·0 cites·8 claims
- 0955US10328504B2Two-stage method of cutting ultra-high strength material sheetZHOU DAJUN·Filed 2016·Granted Jun 25, 2019·0 cites·7 claims
- 1053US10933458B2Stretch forming dieZHOU DAJUN·Filed 2018·Granted Mar 2, 2021·0 cites·16 claims
- 1150US10408296B2Metal stamping tool with a hybrid magnetorheological-nitrogen springZHOU DAJUN·Filed 2016·Granted Sep 10, 2019·0 cites·9 claims
- 1249US2022040747A1Flat top metal gainerZHOU DAJUN·Filed 2020·Application pending·0 cites
- 1348US2020391326A1Method of creating an interior metal flow opening in a metal sheet during a forming operationZHOU DAJUN·Filed 2019·Application pending·0 cites
- 1445US11845122B2Stamping machine and method including variable binder gapZHOU DAJUN·Filed 2020·Granted Dec 19, 2023·0 cites·14 claims
- 1537US2018021832A1Method of incremental cold forming an angled corner in a continuous sheet of advanced high strength metalZHOU DAJUN·Filed 2016·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →