Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472281 | Method for fabricating semiconductor device using a CVD insulator film | Hiroyuki Doi, Yasushi Okuda, Keita Takahashi | 2002-10-29 |
| 6377490 | Nonvolatile semiconductor memory device and method for driving the same | Keita Takahashi, Masafumi Doi, Hiroyuki Doi, Yasushi Okuda | 2002-04-23 |