Chae-Sung SONG

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Daegu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Lumbar support for vehicle seat
- Patent number 11,660,990
- Issue date May 30, 2023
- GUMCHANG. CO., LTD.
- Jae Yel Song
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
LUMBAR SUPPORT FOR VEHICLE SEAT
- Publication number 20230182630
- Publication date Jun 15, 2023
- GUMCHANG CO,LTD.
- Jae Yel SONG
- B60 - VEHICLES IN GENERAL
Information Patent Application
LUMBAR SUPPORT FOR VEHICLE SEAT
- Publication number 20210197699
- Publication date Jul 1, 2021
- GUMCHANG CO., LTD.
- Jae Yel SONG
- B60 - VEHICLES IN GENERAL
Information Patent Application
SIDE BOLSTER TILTING SYSTEM OF VEHICULAR SEAT CUSHION
- Publication number 20200238878
- Publication date Jul 30, 2020
- GUMCHANG. CO., LTD.
- Jae-Yel SONG
- B60 - VEHICLES IN GENERAL