Inventor
PARK SEONG-SU
KR47 patents
⚠️ This page may combine multiple inventors who share the name “PARK SEONG-SU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
26 patentsUS5854867ADec 29, 1998
Optical module having lenses aligned on lens-positioning V-groove and fabrication method thereof
KOREA ELECTRONICS TELECOMM133 citations97
US7734292B2Jun 8, 2010
Terminal supporting peer-to-peer communication, and communication and billing methods based on the same
KOREA ELECTRONICS TELECOMM21 citations92
US5673350ASep 30, 1997
Laser module with focusing lens and fixing method of the focusing lens
KOREA ELECTRONICS TELECOMM30 citations92
US7053666B2May 30, 2006
Phase frequency detector
KOREA ELECTRONICS TELECOMM43 citations91
US7548564B2Jun 16, 2009
Method and apparatus for transmitting data based on OFDM
KOREA ELECTRONICS TELECOMM10 citations84
US7436257B2Oct 14, 2008
High-efficiency mixed-mode power amplifier
KOREA ELECTRONICS TELECOMM9 citations84
US7538618B2May 26, 2009
Wideband active balun circuit based on differential amplifier
KOREA ELECTRONICS TELECOMM12 citations83
US7508860B2Mar 24, 2009
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same
KOREA ELECTRONICS TELECOMM8 citations83
US5446959ASep 5, 1995
Method of packaging a power semiconductor device
KOREA ELECTRONICS TELECOMM17 citations81
US7397321B2Jul 8, 2008
Digitally controlled circulator and radio frequency identification reader having the same
KOREA ELECTRONICS TELECOMM7 citations74
US7020097B2Mar 28, 2006
Adaptive wireless network system comprising central optimizer and method thereof
KOREA ELECTRONICS TELECOMM9 citations73
US6266470B1Jul 24, 2001
Optical switch module having a buffer device for minimizing a post welding shift
KOREA ELECTRONICS TELECOMM12 citations73
US5612853AMar 18, 1997
Package for a power semiconductor device
KOREA ELECTRONICS TELECOMM14 citations73
US7336645B2Feb 26, 2008
Bluetooth-IP access system
KOREA ELECTRONICS TELECOMM8 citations71
US7492226B2Feb 17, 2009
Linearization apparatus of triode region type operational transconductance amplifier
KOREA ELECTRONICS TELECOMM4 citations63
US7429913B2Sep 30, 2008
Low power digital circuit for RFID tag
KOREA ELECTRONICS TELECOMM3 citations63
US7861135B2Dec 28, 2010
Low-complexity and low-power-consumption turbo decoder with variable scaling factor
KOREA ELECTRONICS TELECOMM2 citations62
US7829834B2Nov 9, 2010
Low-voltage image sensor having multiple gates between a photodiode and a diffusion node for suppressing dark current and method of driving transfer transistor thereof
KOREA ELECTRONICS TELECOMM5 citations62
US7542521B2Jun 2, 2009
Direct-conversion frequency mixer
KOREA ELECTRONICS TELECOMM6 citations61
US7613141B2Nov 3, 2009
Bluetooth broadcasting method
KOREA ELECTRONICS TELECOMM2 citations57
US7822404B2Oct 26, 2010
Driving voltage control module
KOREA ELECTRONICS TELECOMM1 citations52
US7417496B2Aug 26, 2008
Demodulator circuit of RFID system
KOREA ELECTRONICS TELECOMM1 citations52
US9202432B2Dec 1, 2015
Wide viewing angle holographic image display method and apparatus
KOREA ELECTRONICS TELECOMM0 citations49
US7924907B2Apr 12, 2011
Apparatus and method for spreading/de-spreading data using pair of child orthogonal variable spreading factor codes
KOREA ELECTRONICS TELECOMM0 citations41
US7917834B2Mar 29, 2011
Apparatus and method for computing LLR
KOREA ELECTRONICS TELECOMM0 citations41
US7525999B2Apr 28, 2009
Method and apparatus for providing dual variable clocks for low-power wireless packet communication
KOREA ELECTRONICS TELECOMM0 citations39
SAMSUNG ELECTRONICS CO LTD
7 patentsUS7881168B2Feb 1, 2011
Optical pick-up apparatus for multi recording/reproducing
SAMSUNG ELECTRONICS CO LTD2 citations62
US7715297B2May 11, 2010
Optical pickup apparatus and method to reproduce information onto and from discs having different thicknesses and storage capacities
SAMSUNG ELECTRONICS CO LTD2 citations62
US7643395B2Jan 5, 2010
Diffraction element and optical pick-up apparatus having the same
SAMSUNG ELECTRONICS CO LTD2 citations61
US7345820B2Mar 18, 2008
Optical pick-up apparatus
SAMSUNG ELECTRONICS CO LTD3 citations61
US7092325B2Aug 15, 2006
Method of arranging optical pickup system and optical recording and/or reproducing apparatus having the arranged optical pickup system
SAMSUNG ELECTRONICS CO LTD2 citations60
US7254098B2Aug 7, 2007
CD-DVD compatible optical pickup and optical recording and/or reproducing apparatus using the same
SAMSUNG ELECTRONICS CO LTD5 citations59
US12196483B2Jan 14, 2025
Food management system, computing apparatus and refrigerator
SAMSUNG ELECTRONICS CO LTD0 citations51
PARK SEONG-SU
3 patentsUS8130622B2Mar 6, 2012
Optical pickup apparatus having multi-sectional polarizer
PARK SEONG-SU0 citations47
US8897106B2Nov 25, 2014
Objective lens for optical pickup and optical pickup apparatus having the same
PARK SEONG-SU0 citations37
US8526286B2Sep 3, 2013
Optical pick-up apparatus with diffractive optical element and optical recording/reproducing apparatus having the same
PARK SEONG-SU0 citations36
GLOBALWAFERS CO LTD
2 patentsUS10577717B2Mar 3, 2020
Systems for selectively feeding chunk polysilicon or granular polysilicon in a crystal growth chamber
GLOBALWAFERS CO LTD4 citations80
US11085126B2Aug 10, 2021
Systems for selectively feeding chunk polysilicon or granular polysilicon in a crystal growth chamber
GLOBALWAFERS CO LTD1 citations69