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Daejeon, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Pipe cutting device
Patent number
11,667,048
Issue date
Jun 6, 2023
DCSENG CO. LTD.
Insung Choi
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Composition for preparing hollow particles, hollow particles using...
Patent number
11,465,118
Issue date
Oct 11, 2022
Korea Advanced Institute of Science and Technology
Insung S. Choi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Carriage for pipe machining
Patent number
11,370,137
Issue date
Jun 28, 2022
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Pipe cutting and beveling machine
Patent number
10,464,144
Issue date
Nov 5, 2019
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Orbital cutting apparatus capable of freely and selectively control...
Patent number
10,166,614
Issue date
Jan 1, 2019
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Power transfer device, orbital pipe cutting device and hydraulic ch...
Patent number
10,029,310
Issue date
Jul 24, 2018
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for processing circular or square tube or bar material to...
Patent number
9,884,398
Issue date
Feb 6, 2018
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Chamfering machine for providing optimal operation condition during...
Patent number
9,669,475
Issue date
Jun 6, 2017
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Polymerization initiator having aryl azide and surface modification...
Patent number
8,541,621
Issue date
Sep 24, 2013
Electronics and Telecommunications Research Institute
Dong-Ho Shin
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Valves and pumps for microfluidic systems and method for making mic...
Patent number
7,942,160
Issue date
May 17, 2011
President and Fellows of Harvard College
Noo Li Jeon
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Process of preparing a biodegradable polymer using an enzyme cataly...
Patent number
7,642,075
Issue date
Jan 5, 2010
Korea Advanced Institute of Science and Technology
Insung S. Choi
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method and apparatus for gradient generation
Patent number
7,314,070
Issue date
Jan 1, 2008
President and Fellows of Harvard College
Noo Li Jeon
G01 - MEASURING TESTING
Information
Patent Grant
Patterning of surfaces utilizing microfluidic stamps including thre...
Patent number
7,267,938
Issue date
Sep 11, 2007
President and Fellows of Harvard College
Janelle R. Anderson
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Method and apparatus for gradient generation
Patent number
6,883,559
Issue date
Apr 26, 2005
President and Fellows of Harvard College
Noo Li Jeon
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITION FOR PREPARING HOLLOW PARTICLES, HOLLOW PARTICLES USING...
Publication number
20220184576
Publication date
Jun 16, 2022
Korea Advanced Institute of Science and Technology
Insung S. CHOI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PIPE CUTTING DEVICE
Publication number
20220126473
Publication date
Apr 28, 2022
DCSENG CO. LTD.
Insung Choi
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
CARRIAGE FOR PIPE MACHINING
Publication number
20210078192
Publication date
Mar 18, 2021
DCSENG CO., LTD.
Insung Choi
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
COMPOSITION FOR PREPARING HOLLOW PARTICLES, HOLLOW PARTICLES USING...
Publication number
20200114330
Publication date
Apr 16, 2020
Korea Advanced Institute of Science and Technology
Insung S. CHOI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PIPE CUTTING AND BEVELING MACHINE
Publication number
20190022773
Publication date
Jan 24, 2019
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ORBITAL CUTTING APPARATUS CAPABLE OF FREELY AND SELECTIVELY CONTROL...
Publication number
20170259357
Publication date
Sep 14, 2017
DCSENG CO., LTD.
Insung Choi
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
POWER TRANSFER DEVICE, ORBITAL PIPE CUTTING DEVICE AND HYDRAULIC CH...
Publication number
20170036273
Publication date
Feb 9, 2017
DCSENG CO., LTD.
Insung CHOI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Cell coating method using compound comprising gallate group and lan...
Publication number
20160312175
Publication date
Oct 27, 2016
Korea Advanced Institute of Science and Technology
Insung Choi
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
APPARATUS FOR PROCESSING CIRCULAR OR SQUARE TUBE OR BAR MATERIAL TO...
Publication number
20160303696
Publication date
Oct 20, 2016
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CHAMFERING MACHINE FOR PROVIDING OPTIMAL OPERATION CONDITION DURING...
Publication number
20150258613
Publication date
Sep 17, 2015
DCSENG CO., LTD.
Insung Choi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
POLYMERIZATION INITIATOR HAVING ARYL AZIDE AND SURFACE MODIFICATION...
Publication number
20100143735
Publication date
Jun 10, 2010
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Dong-Ho Shin
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process of preparing a biodegradable polymer using an enzyme cataly...
Publication number
20060039980
Publication date
Feb 23, 2006
Insung S. Choi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method and apparatus for gradient generation
Publication number
20050217750
Publication date
Oct 6, 2005
President and Fellows of Harvard College
Noo Li Jeon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Valves and pumps for microfluidic systems and method for making mic...
Publication number
20040228734
Publication date
Nov 18, 2004
President and Fellows of Harvard College
Noo Li Jeon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and apparatus for gradient generation
Publication number
20040129336
Publication date
Jul 8, 2004
President and Fellows of Harvard College
Noo Li Jeon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Patterning of surfaces utilizing microfluidic stamps including thre...
Publication number
20040121066
Publication date
Jun 24, 2004
President and Fellows of Harvard College
Janelle R. Anderson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL