Sungchul Ahn

Person

Suwon-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for error handling in the toner refill process
- Patent number 11,892,781
- Issue date Feb 6, 2024
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa Lim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner refill cartridge with pulverization member activated by elast...
- Patent number 11,294,303
- Issue date Apr 5, 2022
- Hewlett-Packard Development Company, L.P.
- Sungchul Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Detecting toner injection amount of toner refill cartridge
- Patent number 11,294,301
- Issue date Apr 5, 2022
- Hewlett-Packard Development Company, L.P.
- Sungchul Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for error handling in the toner refill process
- Patent number 11,209,762
- Issue date Dec 28, 2021
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa Lim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development cartridge for a printer
- Patent number D907698
- Issue date Jan 12, 2021
- Hewlett-Packard Development Company, L.P.
- Ji-Won Moon
- D18 - Printing and office machinery

Patents Applicationslast 30 patents

Information Patent Application
CONTROL OF DRIVE UNIT ACCORDING TO DETECTION OF AMOUNT OF TONER IN...
- Publication number 20240345518
- Publication date Oct 17, 2024
- Hewlett-Packard Development Company, L.P.
- Seongho Jeong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS
- Publication number 20240142892
- Publication date May 2, 2024
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa LIM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER REFILL CARTRIDGE WITH FOLDABLE PLUNGER
- Publication number 20230333500
- Publication date Oct 19, 2023
- Hewlett-Packard Development Company, L.P.
- Jinhwa HONG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS
- Publication number 20220075307
- Publication date Mar 10, 2022
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa LIM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER REFILL CARTRIDGE WITH PULVERIZATION MEMBER ACTIVATED BY ELAST...
- Publication number 20210318641
- Publication date Oct 14, 2021
- Hewlett-Packard Development Company, L.P.
- Sungchul Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS
- Publication number 20210232066
- Publication date Jul 29, 2021
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa LIM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DETECTING TONER INJECTION AMOUNT OF TONER REFILL CARTRIDGE
- Publication number 20210191290
- Publication date Jun 24, 2021
- Hewlett-Packard Development Company, L.P.
- Sungchul Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Sungchul Ahn

Person

Patents Grantslast 30 patents

Method for error handling in the toner refill process

Toner refill cartridge with pulverization member activated by elast...

Detecting toner injection amount of toner refill cartridge

Method for error handling in the toner refill process

Development cartridge for a printer

Patents Applicationslast 30 patents

CONTROL OF DRIVE UNIT ACCORDING TO DETECTION OF AMOUNT OF TONER IN...

METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS

TONER REFILL CARTRIDGE WITH FOLDABLE PLUNGER

METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS

TONER REFILL CARTRIDGE WITH PULVERIZATION MEMBER ACTIVATED BY ELAST...

METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS

DETECTING TONER INJECTION AMOUNT OF TONER REFILL CARTRIDGE