Hyeon-Chang SEUNG

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Patents Grantslast 30 patents

Information Patent Grant
Resonator wheel
- Patent number 11,130,366
- Issue date Sep 28, 2021
- HANDS CORPORATION LTD.
- Hyeon Chang Seung
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hubless one-piece wheel and manufacturing method therefor
- Patent number 10,913,307
- Issue date Feb 9, 2021
- HANDS CORPORATION LTD.
- Hyeon-Chang Seung
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Vertical centrifugal casting device
- Patent number 10,807,159
- Issue date Oct 20, 2020
- HANDS CORPORATION LTD.
- Hyeon-Chang Seung
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Honeycomb rim-type wheel
- Patent number 10,632,786
- Issue date Apr 28, 2020
- HANDS CORPORATION LTD.
- Hyeon-Chang Seung
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RESONATOR WHEEL
- Publication number 20200316988
- Publication date Oct 8, 2020
- HANDS CORPORATION LTD.
- Hyeon Chang SEUNG
- B60 - VEHICLES IN GENERAL
Information Patent Application
VERTICAL CENTRIFUGAL CASTING DEVICE
- Publication number 20200290116
- Publication date Sep 17, 2020
- HANDS CORPORATION LTD.
- Hyeon-Chang SEUNG
- B22 - CASTING POWDER METALLURGY
Information Patent Application
HONEYCOMB RIM-TYPE WHEEL
- Publication number 20180319208
- Publication date Nov 8, 2018
- HANDS CORPORATION LTD.
- Hyeon-Chang SEUNG
- B60 - VEHICLES IN GENERAL
Information Patent Application
HUBLESS ONE-PIECE WHEEL AND MANUFACTURING METHOD THEREFOR
- Publication number 20180229546
- Publication date Aug 16, 2018
- HANDS CORPORATION LTD.
- Hyeon-Chang SEUNG
- B60 - VEHICLES IN GENERAL