Suhan Corporation

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Mukgye-ri, Gangwon-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Ink composition for writing instrument and writing instrument havin...
- Patent number 12,122,925
- Issue date Oct 22, 2024
- SUHAN CORPORATION
- Jung Eun Kim
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ball pen tip manufacturing machines, ball pen tips, and ball pens
- Patent number 11,660,905
- Issue date May 30, 2023
- Kotobuki & Co. Ltd.
- Byun Young Jae
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Methods for manufacturing ball pen tips, ball pen tip manufacturing...
- Patent number 10,836,204
- Issue date Nov 17, 2020
- KOTOBUKI & CO. LTD.
- Byun Young Jae
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Ink composition for oil-based ballpoint pen
- Patent number 8,604,100
- Issue date Dec 10, 2013
- Suhan Corporation
- Doo Young Chung
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

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Patents Applicationslast 30 patents

Information Patent Application
INK COMPOSITION FOR WRITING INSTRUMENT AND WRITING INSTRUMENT HAVIN...
- Publication number 20210079244
- Publication date Mar 18, 2021
- SUHAN CORPORATION
- Jung Eun KIM
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHODS FOR MANUFACTURING BALL PEN TIPS, BALL PEN TIP MANUFACTURING...
- Publication number 20210070094
- Publication date Mar 11, 2021
- Kotobuki & Co. Ltd.
- Byun Young Jae
- B26 - HAND CUTTING TOOLS CUTTING SEVERING