Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7929339 | Phase change memory device | Hee Bok Kang, Suk Kyoung Hong | 2011-04-19 |
| 7910261 | Cell voltage measurer for fuel cell stack and fuel cell system using the same | Seong-Jin An | 2011-03-22 |
| 7864611 | One-transistor type DRAM | Hee Bok Kang, Sung Joo Hong, Suk Kyoung Hong | 2011-01-04 |
| 7846605 | Pump having noise-proof and vibration-proof structure and fuel cell system using the same | Sang-Hyeon Choi, Jong-Ki Lee, Won-Hyouk Jang, Jun-Won Suh, Dong Yun Lee +2 more | 2010-12-07 |
| 7838140 | Stack and fuel cell system having the same | Yun-Suk Choi, Ri-A Ju, Dong Yun Lee | 2010-11-23 |
| 7759012 | Direct methanol fuel cell system and operating method thereof | Ri-A Ju, Hyun Jong Kim, Dong-Rak Kim, Jong-Ki Lee | 2010-07-20 |
| 7754362 | Fuel cell system | Ri-A Ju, Ho-Jin Kweon, Jong-Ki Lee, Sang-Hyeon Choi | 2010-07-13 |
| 7733718 | One-transistor type DRAM | Hee Bok Kang, Suk Kyoung Hong | 2010-06-08 |
| 7678491 | Stack and fuel cell system using the same | Eun-Suk Cho, Jun-Won Suh, Jong-Ki Lee, Ri-A Ju, Won-Hyouk Jang +2 more | 2010-03-16 |
| 7668031 | Semiconductor memory device with ferroelectric device | Hee Bok Kang, Suk Kyoung Hong | 2010-02-23 |
| 7663910 | Phase change memory device | Hee Bok Kang, Suk Kyoung Hong | 2010-02-16 |
| 7643336 | Phase change memory device | Hee Bok Kang, Suk Kyoung Hong | 2010-01-05 |
| 7630262 | One-transistor type dram | Hee Bok Kang, Sung Joo Hong, Suk Kyoung Hong | 2009-12-08 |
| 6194767 | X-ROM semiconductor memory device | — | 2001-02-27 |
| 5367488 | DRAM having bidirectional global bit lines | — | 1994-11-22 |