Jungho Roh

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Developing device with magnetic member having plurality of magnetic...
- Patent number 12,001,156
- Issue date Jun 4, 2024
- Hewlett-Packard Development Company, L.P.
- Seungchan Park
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number D831738
- Issue date Oct 23, 2018
- S-PRINTING SOLUTION CO., LTD.
- Minwoo Kang
- D18 - Printing and office machinery

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING DEVICE WITH MAGNETIC MEMBER HAVING PLURALITY OF MAGNETIC...
- Publication number 20240027938
- Publication date Jan 25, 2024
- Hewlett-Packard Development Company, L.P.
- Seungchan PARK
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY