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Bo-Wook Cho
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Seoul, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Power factor correction circuit and electronic product including th...
Patent number
9,941,785
Issue date
Apr 10, 2018
Samsung Electronics Co., Ltd.
Jin-Han Kim
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switch driving circuit, and power factor correction circuit having...
Patent number
9,762,119
Issue date
Sep 12, 2017
Samsung Electronics Co., Ltd.
Jin Han Kim
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
DC-DC converter utilizing output power to turn off switches
Patent number
9,118,254
Issue date
Aug 25, 2015
LSIS Co., Ltd.
Woo Sup Kim
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Terminal unit for handling session on the basis of session initiati...
Patent number
8,135,845
Issue date
Mar 13, 2012
KT Corporation
Hyung-Jin Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Simple method for accurately determining a state of charge of a bat...
Patent number
8,008,891
Issue date
Aug 30, 2011
Samsung SDI Co., Ltd.
Han-Seok Yun
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Battery management system and method of driving the same
Patent number
7,847,557
Issue date
Dec 7, 2010
Samsung SDI Co., Ltd.
Han-Seok Yun
G01 - MEASURING TESTING
Information
Patent Grant
Coil nailing device for construction finishing materials
Patent number
7,654,430
Issue date
Feb 2, 2010
JEIL TACKER Co. Ltd.
Bo-Seob Cho
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Jam-resistant tacker apparatus
Patent number
7,520,413
Issue date
Apr 21, 2009
Jeil Tacker Co., Ltd
Bo-Seob Cho
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Nailer with a safety device
Patent number
7,389,901
Issue date
Jun 24, 2008
Jeil Tacker Co., Ltd
Bo-Seob Cho
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Driving circuit for energy recovery in plasma display panel
Patent number
7,348,940
Issue date
Mar 25, 2008
Samsung SDI Co., Ltd.
Bo-Hyung Cho
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Digital PWM input D class amplifier by PWM negative feedback
Patent number
6,952,131
Issue date
Oct 4, 2005
Digital and Analog Co., Ltd.
Jae-Hoon Jeong
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
SWITCH DRIVING CIRCUIT, AND POWER FACTOR CORRECTION CIRCUIT HAVING...
Publication number
20160285353
Publication date
Sep 29, 2016
Samsung Electronics Co., Ltd.
Jin Han KIM
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power Factor Correction Circuit and Electronic Product Including th...
Publication number
20160190914
Publication date
Jun 30, 2016
Samsung Electronics Co., Ltd.
Jin-Han KIM
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DC-DC CONVERTER
Publication number
20140104891
Publication date
Apr 17, 2014
Woo Sup KIM
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
TERMINAL UNIT FOR HANDLING SESSION ON THE BASIS OF SESSION INITIATI...
Publication number
20100023625
Publication date
Jan 28, 2010
KT CORPORATION
Hyung-Jin Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
JAM-RESISTANT TACKER APPARATUS
Publication number
20090108047
Publication date
Apr 30, 2009
Bo-Seob Cho
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Coil nailing device for construction finishing materials
Publication number
20080110956
Publication date
May 15, 2008
JEIL TACKER CO., LTD.
Bo-Seob Cho
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
NAILER WITH A SAFETY DEVICE
Publication number
20080073403
Publication date
Mar 27, 2008
JEIL TACKER CO., LTD.
Bo-Seob Cho
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
BATTERY MANAGEMENT SYSTEM AND METHOD OF DRIVING THE SAME
Publication number
20080054848
Publication date
Mar 6, 2008
Samsung SDI Co., Ltd
HAN-SEOK YUN
G01 - MEASURING TESTING
Information
Patent Application
Method for estimating state of charge of battery, battery managemen...
Publication number
20070299620
Publication date
Dec 27, 2007
Han-Seok Yun
B60 - VEHICLES IN GENERAL
Information
Patent Application
PLASMA DISPLAY AND DRIVING DEVICE THEREFOR
Publication number
20070279405
Publication date
Dec 6, 2007
Pankaj Agarwal
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Coil nailer for construction finish material
Publication number
20070090148
Publication date
Apr 26, 2007
JEIL TACKER CO., LTD.
Bo-Seob Cho
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Driving circuit for energy recovery in plasma display panel
Publication number
20060043908
Publication date
Mar 2, 2006
Bo-Hyung Cho
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Digital PWM input D class amplifier by PMW negative feedback
Publication number
20050012546
Publication date
Jan 20, 2005
Jae-Hoon Jeong
H03 - BASIC ELECTRONIC CIRCUITRY