CA

Cheol-woong Ahn

Samsung: 13 patents #10,425 of 75,807Top 15%
TK Toshiba Samsung Storage Technology Korea: 12 patents #1 of 117Top 1%
TT Toshiba Samsung Storage Technology: 1 patents #6 of 30Top 20%
📍 Seoul, KR: #2,078 of 39,741 inventorsTop 6%
Overall (All Time): #155,374 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
9129637 Disc loading device and optical disc drive including the same Un-jin Choi, Joung-sug Ko, Sang-yun Baek 2015-09-08
9082446 Optical disc loading device, optical disc drive adopting the device and method of driving the drive Un-jin Choi, Joung-sug Ko, Sang-yun Baek 2015-07-14
9027040 Optical disc drive configured to discharge static electricity Jung Sug Ko, Sang-yun Baek, Jae Gil Yu, Un-jin Choi 2015-05-05
9003434 Spindle structure and optical disc drive including the spindle structure Nam-kook Baek, Sung Kyu Ha 2015-04-07
8819709 Disk loading apparatus for optical disk drive Joung-sug Ko, Sang-yun Baek, Un-jin Choi 2014-08-26
8739192 Disc loading apparatus and optical disc drive including the apparatus Joung-sug Ko, Sang-yun Baek, Un-jin Choi 2014-05-27
8739193 Optical disc drive device and method of driving the same 2014-05-27
8683499 Disc loading structure and optical disc drive employing the same Joung-sug Ko, Sang-yun Baek, Un-jin Choi 2014-03-25
8544032 Disc device, a multimedia apparatus including a disc device, and a method of driving the disc device 2013-09-24
8250592 Optical disk apparatus Un-jin Choi, Min-shik Roh, Jeong-hun Yeom, Sung-Hun Lee 2012-08-21
8132193 Disk ejecting unit and optical disk device including the same Un-jin Choi, Jeong-hun Yeom, Sung-Hun Lee 2012-03-06
7840972 Optical disc device and method of controlling the same Jae Hyun Yoon, Un-jin Choi, Jeong-hun Yeom, Myong-chun Lee 2010-11-23
7831983 Optical disk device with release Jae Hyun Yoon, Un-jin Choi, Jeong-hun Yeom, Myong-chun Lee 2010-11-09
7716693 Optical disc drive with static electricity Hag-Ryeol Kim 2010-05-11
6954936 Tray locking apparatus of optical disk drive and optical disk drive adopting the same 2005-10-11
6947355 Optical disk drive having function of removing static electricity of optical disk Soon-kyo Hong, Myung-ryul Choi, Jae Won Ha 2005-09-20
6804184 Optical disc drive Pil-je Cho, Chung-ung Kim 2004-10-12
6782543 Apparatus for driving an optical disc and method thereof 2004-08-24
6480453 Apparatus and method for driving an optical disc with a caddy having a cover 2002-11-12
6449234 Disk player loading a disk with improved insertion and loading Young Pyo Lee, Tae Won Park 2002-09-10
5870358 Disk recording/reproducing apparatus having magazine for accommodating a plurality of disks and a tray position changing mechanism Young Taek Kim 1999-02-09
5867470 Disk recording/reproducing apparatus having two trays so that a disk in a magazine can be replaced by one tray when a disk in the other tray is being recorded/reproduced Young Taek Kim 1999-02-02
5828645 Disk reproducing apparatus having disk changing function Young Taek Kim 1998-10-27
5768247 Disk transferring device for a disk changer including structure to suppress hanging-down of a disk during transfer Young Taek Kim 1998-06-16
5764616 Disk reproducing apparatus having disk changing function Young Taek Kim 1998-06-09