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Int’l. Patent 목록
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2018

80 RF Transformer for Differential Amplifier

Japan
Milim Lee, Changkun Park
Registration Number (Date): 6407194 (2018.09.28)

79 Variable Capacitor Used in Integrated Circuit of Differential Structure

Taiwan
Milim Lee, Gayeon Ko, Changkun Park
Registration Number (Date): I 629800 (2018.07.11)

2017

78 RF Transformer for Differential Amplifier

USA
Milim Lee, Changkun Park
Registration Number (Date): 9,722,556 (2017.08.01)

77 Intraocular Pressure Sensor and Method for Manufacturing Same

USA
Byungjoo Kang, Jisung Jo, Changkun Park
Registration Number (Date): 9717411 (2017.08.01)

76 Variable Capacitor Used in Integrated Circuit of Differential Structure

USA
Milim Lee, Gayeon Ko, Changkun Park
Registration Number (Date): 9,685,908 (2017.06.20)

75 Power Amplifier Having Stack Structure

USA
Hoyong Hwang, Changkun Park
Registration Number (Date): 9,680,427 (2017.06.13)

74 Linear Amplifier Using Nonlinear Amplifying Stage

USA
Changkun Park, Jonghoon Park
Registration Number (Date): 9,660,595 (2017.05.23)

73 Device for Chip-to-Chip Wireless Power Transmission Using Oscillator

Japan
Milim Lee, Changkun Park
Registration Number (Date): 6109871 (2017.03.17)

72 Wireless Chip for Chip-to-Chip Wireless Transfer

Japan
Changhyun Lee, Changkun Park
Registration Number (Date): 6099680 (2017.03.03)

2016

71 Inverter Type Power Amplifier

USA
Jonghoon Park, Changhyun Lee, Changkun Park
Registration Number (Date): 9,520,838 (2016.12.13)

70 Power Amplifier Having Stack Structure

USA
Hoyong Hwang, Changkun Park
Registration Number (Date): 9,503,036 (2016.11.22)

69 Antenna for Interchip Wireless Power Transmission

USA
Changhyun Lee, Changkun Park
Registration Number (Date): 9460848 (2016.10.04)

68 Wireless Chip for Chip-to-Chip Wireless Transfer

USA
Changhyun Lee, Changkun Park
Registration Number (Date): 9,425,865 (2016.08.23)

67 Oscillator with Differential Structure

USA
Milim Lee, Changkun Park
Registration Number (Date): 9,374,035 (2016.06.21)

66 Biocompatible Pressure Sensor and Manufacturing Method Thereof

USA
Soo-Hyun Lee, Hi-Yoon Knag, Changkun Park, Byungjoo Kang
Registration Number (Date): 9,341,530 (2016.05.17)

65 Antenna for Interchip Wireless Power Transmission

Japan
Changhyun Lee, Changkun Park
Registration Number (Date): 5916818 (2016.04.15)

64 Control Device of LC Circuit Using Sprial Inductor

Japan
Jonghoon Park, Changkun Park
Registration Number (Date): 5914685 (2016.04.08)

63 Intraocular Pressure Sensor and Method for Manufacturing Same

Japan
Byungjoo Kang, Jisung Jo, Changkun Park
Registration Number (Date): 5908097 (2016.04.01)

62 Slew Rate Control Device Using Switching Capacitor

Japan
Seongwoong Cho, Hooyoung Shin, Changkun Park
Registration Number (Date): 5890872 (2016.02.26)

61 Inverter Chain Circuit for Controlling Shoot-Through Current

Japan
Jinho Yoo, Changkun Park
Registration Number (Date): 5883496 (2016.02.12)

60 Voltage Controlled Oscillator

Japan
Changkun Park, Sungwoong Cho, Jaehyuk Yoon, Milim Lee
Registration Number (Date): 5883477 (2016.02.12)

59 Antenna for Inter-Chip Wireless Power Transmission

Taiwan
Changhyun Lee, Changkun Park
Registration Number (Date): I 569506 (2016.02.01)

58 Transmission-Line Transformer in Which Signal Efficiency is Maximised

USA
Jonghoon Park, Changkun Park
Registration Number (Date): 9,246,206 (2016.01.26)

57 Level Converter for Controlling Switch

Japan
Changkun Park, Changhyun Lee, Sukhyeon Yun
Registration Number (Date): 5863725 (2016.01.08)

2015

56 Combination-Type Transistor and Method for Manufacturing Same

Japan
Jonghoon Park, Changkun Park
Registration Number (Date): 5857137 (2015.12.18)

55 Differential Power Amplifier Using Mode Injection

USA
Changhyun Lee, Changkun Park
Registration Number (Date): 9,214,904 (2015.12.15)

54 Combination-Type Transistor and Method for Manufacturing Same

USA
Jonghoon Park, Changkun Park
Registration Number (Date): 9,159,628 (2015.10.13)

53 Semiconductor IC Device Having Power-Sharing and Method of Power-Sharing Thereof

Taiwan
Hyungsoo Kim, Changkun Park, et. al.
Registration Number (Date): I503836 (2015.10.11)

52 Low Power Variable Delay Circuit

Taiwan
Haerang Choi, Changkun Park, et. al.
Registration Number (Date): I502894 (2015.10.01)

51 Linear Amplifier and Multistage Linear Amplifier

USA
Jonghoon Park, Changhyun Lee, Changkun Park
Registration Number (Date): 9130524 (2015.09.08)

50 Semiconductor Memory Device Having Pads

Taiwan
Changkun Park, Yongju Kim, et. al.
Registration Number (Date): I496257 (2015.08.11)

49 Multi-Gate Transistor

USA
Jonghoon Park, Changkun Park
Registration Number (Date): 9,093,525 (2015.07.28)

48 Delay Locked Loop Circuit and Memory Device Having the Same

Taiwan
Yongju Kim, Changkun Park, et. al.
Registration Number (Date): I488440 (2015.06.11)

47 Power Amplifier Using Differential Structure

USA
Jonghoon Park, Changkun Park
Registration Number (Date): 9019013 (2015.04.28)

46 Transformer Using Symmetrical Printing Pattern

USA
Byungjoo Kang, Sunghun Ahn, Hoyong Hwang, Changkun Park
Registration Number (Date): 8975999 (2015.03.10)

45 Power Voltage Supply Apparatus for Three Dimensional Semiconductor

USA
Changkun Park, Hoyong Hwang
Registration Number (Date): 8957529 (2015.02.17)

44 Slew Rate Control Device Using Switching Capacitor

USA
Seongwoong Cho, Hooyoung Shin, Changkun Park
Registration Number (Date): 8952738 (2015.02.10)

2014

43 Semiconductor Memory Device Having Pads

USA
Changkun Park, Yongju Kim, et. al.
Registration Number (Date): 08916975 (2014.12.23)

42 Integrated Circuit Having Stack Structure

USA
Changkun Park, Hoyong Hwang
Registration Number (Date): 8,866,543 (2014.10.21)

41 Transmission Line Transformer Which Minimizes Signal Loss

USA
Jonghoon Park, Changkun Park
Registration Number (Date): 8,760,257 (2014.06.24)

40 Diode for Electrostatic Protection

USA
Joonyoung Park, Jonghoon Park, Changkun Park
Registration Number (Date): 8,717,724 (2014.05.06)

2013

39 Semiconductor Memory Device Having Pipe Latch Circuit for Storing Output Data During Read Operation and Method for Operating the Same

USA
Hyungsoo Kim, Changkun Park, et. al.
Registration Number (Date): 08503251 (2013.08.06)

38 Input Buffer Circuit of Semiconductor Apparatus

USA
Jiwang Lee, Changkun Park, et. al.
Registration Number (Date): 08461878 (2013.06.11)

37 Interface Apparatus for Semiconductor Integrated Circuit and Interfacing Method Thereof

USA
Jiwang Lee, Changkun Park, et. al.
Registration Number (Date): 08436666 (2013.05.07)

36 Domain Crossing Circuit of a Semiconductor Memory Apparatus

USA
Haerang Choi, Changkun Park, et. al.
Registration Number (Date): 08373456 (2013.02.12)

2012

35 Input Buffer Circuit of Semiconductor Apparatus

USA
Jiwang Lee, Changkun Park et. al.
Registration Number (Date): 08339159 (2012.12.25)

34 Semiconductor IC Device Having Power-Sharing and Method of Power-Sharing Thereof

USA
Hyungsoo Kim; Changkun Park; et. al.
Registration Number (Date): 08283804 (2012.10.09)

33 Low Power Variable Delay Circuit

USA
Haerang Choi, Changkun Park, et. al.
Registration Number (Date): 08278981 (2012.10.02)

32 Data Alignment Circuit of Semiconductor Memory Apparatus

USA
Hyungsoo Kim, Changkun Park, et. al.
Registration Number (Date): 08189400 (2012.05.29)

31 Semiconductor Memory Device and Method for Generating Output Enable Signal

USA
Hyungsoo Kim, Changkun Park, et. al.
Registration Number (Date): 08144530 (2012.03.27)

30 Internal Supply Voltage Generating Circuit and Method for Generating Internal Supply Voltage

USA
Yongju Kim, Changkun Park, et. al.
Registration Number (Date): 08143940 (2012.03.27)

29 Latency Control Circuit, Semiconductor Memory Device Including the Same, and Method for Controlling Latency

USA
Haerang Choi, Changkun Park, et. al.
Registration Number (Date): 08144531 (2012.03.27)

28 Domain Crossing Circuit of a Semiconductor Memory Apparatus

USA
Haerang Choi, Changkun Park, et. al.
Registration Number (Date): 08099620 (2012.01.17)

2011

27 Sampling Circuit

USA
Jiwang Lee, Changkun Park, et. al.
Registration Number (Date): 08076964 (2011.12.13)

26 Output Driver

USA
Icsu Oh, Changkun Park, et. al.
Registration Number (Date): 08035418 (2011.10.11)

25 Delay Locked Loop and Delay Locking Method Having Burst Tracking Scheme

USA
Yongju Kim, Changkun Park, et. al.
Registration Number (Date): 08035431 (2011.10.11)

24 Voltage Regulator for a Synchronous Clock System to Teduce Clock Tree Jitter

USA
Hyungsoo Kim, Changkun Park, et. al.
Registration Number (Date): 08026701 (2011.09.27)

23 Voltage Level Comparison Circuit of Semiconductor Memory Apparatus, Voltage Adjustment Circuit Using Voltage Level Comparison Circuit, and Semiconductor Memory Apparatus Using the Same

USA
Icsu Oh, Changkun Park, et. al.
Registration Number (Date): 08023356 (2011.09.20)

22 Power Amplifier with Automatic Switching Function

Japan
Changkun Park, Songcheol Hong
Registration Number (Date): JP,4773258,B (2011.07.01)

21 DLL Circuit, Update Control Apparatus in DLL Circuit and Update Method of DLL Circuit

USA
Jaemin Jang, Changkun Park, et. al.
Registration Number (Date): 07969214 (2011.06.28)

20 Power Noise Detecting Device and Power Noise Control Device Using the Same

USA
Hyungsoo Kim, Changkun Park, et. al.
Registration Number (Date): 07952364 (2011.05.31)

19 Receiver of Semiconductor Memory Apparatus

USA
Taejin Hwang, Changkun Park, et. al.
Registration Number (Date): 07936620 (2011.05.03)

18 Duty Cycle Correction Apparatus and Semiconductor Integrated Circuit Having the Same

USA
Jaemin Jang, Changkun Park, et. al.
Registration Number (Date): 07915939 (2011.03.29)

17 Phase Mixer and Delay Locked Loop Including the Same

USA
Jaemin Jang, Changkun Park, et. al.
Registration Number (Date): 07884659 (2011.02.08)

16 Output Driving Device

USA
Changkun Park, Yongju Kim, et. al.
Registration Number (Date): 07868667 (2011.01.11)

15 Duty Cycle Correction Circuit and Semiconductor Integrated Circuit Apparatus Including the Same

USA
Jaemin Jang, Changkun Park, et. al.
Registration Number (Date): 07863957 (2011.01.04)

2010

14 Semiconductor Integrated Circuit

USA
Heewoong Song, Changkun Park, et. al.
Registration Number (Date): 07852132 (2010.12.14)

13 Buffer Circuit of Semiconductor Memory Apparatus

USA
Jiwang Lee, Changkun Park, et. al.
Registration Number (Date): 07847592 (2010.12.07)

12 Semiconductor Memory Apparatus

USA
Jiwang Lee, Changkun Park, et. al.
Registration Number (Date): 07826306 (2010.11.02)

11 Data Output Buffer Circuit

USA
Yongju Kim, Changkun Park, et. al.
Registration Number (Date): 07800416 (2010.09.21)

10 Duty Cycle Correction Circuit with Reduced Current Consumption

USA
Heewoong Song, Changkun Park, et. al.
Registration Number (Date): 07786783 (2010.08.31)

9 Semiconductor Integrated Circuit Capable of Overcoming Clock Signal Jitter

USA
Icsu Oh, Changkun Park, et. al.
Registration Number (Date): 07755410 (2010.07.13)

8 Delay Locked Loop Circuit and Memory Device Having the Same

USA
Yongju Kim, Changkun Park, et. al.
Registration Number (Date): 07724053 (2010.05.25)

2009

7 Power Amplifier Using Power Combiner

USA
Changkun Park, Songcheol Hong
Registration Number (Date): 07592865 (2009.09.22)

6 Power Amplifier Using Transmission Line Transformer

China
Changkun Park, Songcheol Hong
Registration Number (Date): ZL 200710090811.5 (2009.08.05)

5 Power Amplifier

USA
Changkun Park, Ki Yong Son, Songcheol Hong
Registration Number (Date): 07554401 (2009.06.30)

4 Transmission Line Transformer

Japan
Changkun Park, Younsuk Kim, Songcheol Hong
Registration Number (Date): JP,4269081,B (2009.03.06)

3 Power Amplifier with Automatic Switching Function

USA
Changkun Park, Songcheol Hong
Registration Number (Date): 07498877 (2009.03.03)

2008

2 Power Amplifier Using Transmission Line Transformer

USA
Changkun Park, Songcheol Hong
Registration Number (Date): 07420424 (2008.09.02)

2006

1 Transmission Line Transformer

USA
Changkun Park, Younsuk Kim, Songcheol Hong
Registration Number (Date): 07548134 (2006.10.19)