Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391701 | Semiconductor device and process of fabrication thereof | — | 2002-05-21 |
| 6207509 | Method of manufacturing a semiconductor device | — | 2001-03-27 |
| 5559048 | Method of making a double layered floating gate EPROM with trench isolation | — | 1996-09-24 |
| 5487034 | Semiconductor memory device and method for writing data therein | — | 1996-01-23 |
| 5449634 | Method of fabricating non-volatile semiconductor memory device | — | 1995-09-12 |
| 5432110 | Method for fabricating non-volatile semiconductor memory device having two-layered gate structure transistor | — | 1995-07-11 |
| 5321286 | Non-volatile semiconductor memory device having thin film memory transistors stacked over associated selecting transistors | Shoji Koyama | 1994-06-14 |
| 5191551 | Non-volatile semiconductor memory device with transistor paralleling floating gate transistor | — | 1993-03-02 |