HC

Han-kook Choi

Samsung: 43 patents #2,389 of 75,807Top 4%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #71,110 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
7519981 Cartridge for an information recording medium Jong Pil Park, In-sik Park, Young-sun Seo, Jung-wan Ko 2009-04-14
7512960 Hub-mounted optical disk having a reduced height Myong-do Ro, Dong-seob Jang, Du-seop Yoon 2009-03-31
7388746 Heatsink assembly Hee-Sung Park, Jae Young Chang, Jong-in Jo, Jin Wook Yoon 2008-06-17
7389521 Disk cartridge Dae-kyong Park, Dong-seob Jang 2008-06-17
7263706 Disk cartridge and disk player using the same Hong-kyun Yim, Yong-hoon Lee, Chong-sam Chung, Jae-yong Eum, Takizawa Teruyuki +1 more 2007-08-28
7263705 Disc drive cartridge and disc drive apparatus to prevent scratching of a disc when the disc is loaded into a disc drive Dae-kyong Park, Dong-seob Jang 2007-08-28
7222352 Cartridge for an information recording medium Jong Pil Park, In-sik Park, Young-sun Seo, Jung-wan Ko 2007-05-22
7197757 Disk cartridge Hong-kyun Yim, Yong-hoon Lee, Jae-yong Eum 2007-03-27
7185351 Cartridge for an information recording medium Jong Pil Park, In-sik Park, Young-sun Seo, Jung-wan Ko 2007-02-27
7181754 Disk cartridge Dong-seob Jang, Dae-kyong Park, Kwang-Kyu Kim, Yong-hoon Lee, Hae-sub Kweon 2007-02-20
7178156 Disk cartridge having identification element and disk drive apparatus which recognizes the identification element Sun-mo Kim, Yong-hoon Lee, Chong-sam Chung, Seok-jung Kim 2007-02-13
7149176 High-density optical disc Yong-hoon Lee, Seok-jung Kim, In-sik Park, Chong-sam Chung 2006-12-12
7146625 Disc cartridge and disc drive using the same Jae-yong Eum, Yong-hoon Lee, Hong-kyun Yim, Chong-sam Chung, Takizawa Teruyuki +2 more 2006-12-05
7143427 Disk cartridge having a support portion to support the disk Hong-kyun Yim, Yong-hoon Lee, Heui-jong Kang, Chong-sam Chung, Jae-yong Eum 2006-11-28
7124423 Disk cartridge to protect an information area of a disk from being contaminated Jae-yong Eum, Hong-kyun Yim, Yong-hoon Lee, Chong-sam Chung, Takizawa Teruyuki +1 more 2006-10-17
7089574 Disk cartridge Yong-hoon Lee, Hong-kyun Yim, Jae-yong Eum 2006-08-08
7088666 High density optical disk having capacity of 25GB Yong-hoon Lee, In-sik Park, Chong-sam Chung, Du-seop Yoon, Kyung-geun Lee +1 more 2006-08-08
7085212 Disk cartridge and disk drive apparatus Yong-hoon Lee, Seok-jung Kim 2006-08-01
7043744 Disk cartridge and disk drive apparatus Sun-mo Kim, Yong-hoon Lee, Chong-sam Chung, Seok-jung Kim 2006-05-09
7020887 Disc cartridge and disc drive apparatus Sun-mo Kim 2006-03-28
6948181 Disc cartridge Heui-jong Kang, Jae-yong Eum 2005-09-20
6931655 Cartridge for an information recording medium Jong Pil Park, In-sik Park, Young-sun Seo, Jung-wan Ko 2005-08-16
6912724 Cartridge for an information recording medium Jong Pil Park, In-sik Park, Young-sun Seo, Jung-wan Ko 2005-06-28
6826772 Disk clamping apparatus for disk player Seok-jung Kim, Chong-sam Chung, Yong-hoon Lee 2004-11-30
6807674 Disk cartridge Seok-jung Kim, Heui-jong Kang 2004-10-19