Chang Soo Yu

Person

Suwon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Ink cartridge for printer
- Patent number 8,425,021
- Issue date Apr 23, 2013
- Inktec Co., Ltd
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-cartridge loading/unloading apparatus
- Patent number 8,162,441
- Issue date Apr 24, 2012
- Inktec Co., Ltd.
- Jeong-Guck Lee
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-cartridge for printers
- Patent number 8,128,211
- Issue date Mar 6, 2012
- Inktec Co., Ltd.
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-cartridge for printers and ink refilling method
- Patent number 7,997,708
- Issue date Aug 16, 2011
- Inktec Co., Ltd.
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink recharging system for ink cartridge, bulk ink cartridge used in...
- Patent number 7,686,436
- Issue date Mar 30, 2010
- INKTEC Co., Ltd.
- Hae-Sung Jung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink recharge system and ink recharge method for ink cartridge
- Patent number 7,661,804
- Issue date Feb 16, 2010
- INKTEC Co., Ltd.
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge refill case
- Patent number D422632
- Issue date Apr 11, 2000
- Inktec Co., Inc.
- Kwang Choon Chung
- D18 - Printing and office machinery

Patents Applicationslast 30 patents

Information Patent Application
Ink Cartridge for Printer
- Publication number 20140125742
- Publication date May 8, 2014
- INKTEC CO., LTD.
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK-CARTRIDGE LOADING/UNLOADING APPARATUS
- Publication number 20110174950
- Publication date Jul 21, 2011
- INKTEC CO., LTD.
- Jeong-Guck Lee
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
AN INK-CARTRIDGE FOR PRINTERS
- Publication number 20090073245
- Publication date Mar 19, 2009
- INKTEC CO., LTD.
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink recharging system for ink cartridge, bulk ink cartridge used in...
- Publication number 20080291249
- Publication date Nov 27, 2008
- Hae-Sung Jung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink Cartridge for Printer
- Publication number 20080284832
- Publication date Nov 20, 2008
- INKTEC CO., LTD.
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink-Cartridge for Printers and Ink Refilling Method
- Publication number 20080278556
- Publication date Nov 13, 2008
- INKTEC CO., LTD.
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink recharge system and ink recharge method for ink cartridge
- Publication number 20070146448
- Publication date Jun 28, 2007
- Kwang-Choon Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Chang Soo Yu

Person

Patents Grantslast 30 patents

Ink cartridge for printer

Ink-cartridge loading/unloading apparatus

Ink-cartridge for printers

Ink-cartridge for printers and ink refilling method

Ink recharging system for ink cartridge, bulk ink cartridge used in...

Ink recharge system and ink recharge method for ink cartridge

Ink cartridge refill case

Patents Applicationslast 30 patents

Ink Cartridge for Printer

INK-CARTRIDGE LOADING/UNLOADING APPARATUS

AN INK-CARTRIDGE FOR PRINTERS

Ink recharging system for ink cartridge, bulk ink cartridge used in...

Ink Cartridge for Printer

Ink-Cartridge for Printers and Ink Refilling Method

Ink recharge system and ink recharge method for ink cartridge