Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670660 | Semiconductor memory device utilizing tunnel magneto resistive effects and method for manufacturing the same | — | 2003-12-30 |
| 6653703 | Semiconductor memory device using magneto resistive element and method of manufacturing the same | Kentaro Nakajima | 2003-11-25 |
| 6593202 | Semiconductor memory device and fabrication method thereof | Yusuke Kohyama | 2003-07-15 |
| 6362042 | DRAM having a cup-shaped storage node electrode recessed within an insulating layer | Yusuke Kohyama | 2002-03-26 |
| 6333538 | COB DRAM having contact extending over element-isolating film | Yusuke Kohyama | 2001-12-25 |
| 6198122 | Semiconductor memory and method of fabricating the same | Mariko Habu, Yusuke Kohyama, Toru Ozaki | 2001-03-06 |
| 6175130 | DRAM having a cup-shaped storage node electrode recessed within a semiconductor substrate | Yusuke Kohyama | 2001-01-16 |
| 6051859 | DRAM having a cup-shaped storage node electrode recessed within an insulating layer | Yusuke Kohyama | 2000-04-18 |
| 5977583 | Semiconductor memory device including memory cells having a capacitor on bit line structure | Yusuke Kohyama | 1999-11-02 |