Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12375283 | Did system using browser-based security PIN authentication, and control method thereof | — | 2025-07-29 |
| 12375299 | Method and device for providing blockchain DID-based certificate distribution service | — | 2025-07-29 |
| 11271744 | Simple authentication method and system using browser web storage | Seung Ryul Pee | 2022-03-08 |
| 11232234 | Method for sharing and verifying blocks and electronic documents between nodes in blockchain | — | 2022-01-25 |
| 9642196 | Light-emitting device package and light-emitting apparatus | In Soo Park, Min Young Son | 2017-05-02 |
| 9041802 | Digital capture device for learning | Kwang Soo Choi | 2015-05-26 |
| 7833811 | Side-emitting LED package and method of manufacturing the same | Kyung Taeg Han, Seon Goo Lee, Hun Joo Hahm, Seong Yeon Han, Chang Ho Song +1 more | 2010-11-16 |
| 7628527 | Back light unit having light guide buffer plate | Do Hun Kim, Choul Ho Lee, Seog Ho Lim, Sung Min Yang | 2009-12-08 |
| 7462871 | Side-view light emitting diode having protective device | Kyung Taeg Han, Seon Goo Lee, Jong Uk Park, Chang-Wook Kim | 2008-12-09 |
| 7458703 | Light emitting diode package having dual lens structure for lateral light emission | Kyung Taeg Han, Seon Goo Lee, Seong Yeon Han, Hun Joo Hahm, Chang Ho Song | 2008-12-02 |
| 6580708 | Method of multi-processing data in ARCNET | — | 2003-06-17 |
| 6373653 | Magnetic recording/reproducing apparatus | Ki Hong Kim, Ki-won Yang, Jong Woo Kim, Byung-sam Son, Myoung Sub Jang | 2002-04-16 |
| 6337841 | Compatible optical pickup | Kun-soo Kim, Jong-ryull Kim, Hyung-taek Oh, Jong-hwa Yu, Chul-woo Lee +3 more | 2002-01-08 |
| 6215610 | Recording/reproducing apparatus with single motor for operating tape loading mechanism, pinch roller driving mechanism, reel driving mechanism, brake mechanism, and mode identifying mechanism | Ki Hong Kim, Ki-won Yang, Jong Woo Kim, Byung-sam Son, Myoung Sub Jang | 2001-04-10 |
| 5859744 | Recording/reproducing apparatus with single motor for operating tape loading mechanism, pinch roller driving mechanism, reel driving mechanism, brake mechanism and mode identifying mechanism | Ki Hong Kim, Ki-won Yang, Jong Woo Kim, Byung-sam Son, Myoung Sub Jang | 1999-01-12 |
| 5748402 | Pinch roller driving apparatus | — | 1998-05-05 |
| 5600508 | Cassette loading apparatus which utilizes the driving force of motor installed in tape driving mechanism | — | 1997-02-04 |
| 5475546 | Tape loading device | — | 1995-12-12 |