Hongjun Cha

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Daegu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Automotive transmission
- Patent number 11,143,296
- Issue date Oct 12, 2021
- SL Corporation
- Hongjun Cha
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Automotive transmission
- Patent number 10,920,880
- Issue date Feb 16, 2021
- SL Corporation
- Hongjun Cha
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Automotive transmission
- Patent number 10,801,610
- Issue date Oct 13, 2020
- SL Corporation
- Hongjun Cha
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Transmission apparatus and transmission system
- Patent number 10,718,430
- Issue date Jul 21, 2020
- SL Corporation
- Hongjun Cha
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
AUTOMOTIVE TRANSMISSION
- Publication number 20200182348
- Publication date Jun 11, 2020
- SL Corporation
- Hongjun Cha
- B60 - VEHICLES IN GENERAL
Information Patent Application
AUTOMOTIVE TRANSMISSION
- Publication number 20200096100
- Publication date Mar 26, 2020
- SL Corporation
- Hongjun Cha
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
AUTOMOTIVE TRANSMISSION
- Publication number 20190145514
- Publication date May 16, 2019
- SL Corporation
- Hongjun Cha
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
- Publication number 20180283543
- Publication date Oct 4, 2018
- SL Corporation
- Hongjun Cha
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...