Inventor · disambiguated record
Kyu-Seok Cha
Also filed as: CHA KYU-SEOK
4 granted patents·1 pending application·10 citations·filing 2007–2010
66Inventor score
Top patents by PatentIndex Score
5 records- 0175US7730754B2Apparatus and method for manufacturing spiral ductJINWOONG TECHNOLOGY·Filed 2007·Granted Jun 8, 2010·5 cites·1 claims
- 0268US8522587B2Joint jig of spiral duct manufacturing apparatusCHA KYU-SEOK·Filed 2008·Granted Sep 3, 2013·3 cites·6 claims
- 0356US8959976B2Apparatus for manufacturing a metal plate for a duct, including mesh-type beadsCHA KYU-SEOK·Filed 2010·Granted Feb 24, 2015·2 cites·8 claims
- 0440US8915109B2Manufacturing apparatus and method of spiral duct including elbowCHA KYU-SEOK·Filed 2008·Granted Dec 23, 2014·0 cites·18 claims
- 0535US2008216911A1Integrated spiral ductJINWOONG TECHNOLOGY·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →