Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815295 | Method of manufacturing field effect transistors | Yoshinori Okumura, Shigenobu Maeda, Shigeto Maegawa | 2004-11-09 |
| 6812536 | MOSFET with graded gate oxide layer | Yukio Nishida, Hiroshi Umeda, Kenichi Ohto, Takashi Terauchi, Shigeru Shiratake +1 more | 2004-11-02 |
| 6770522 | Semiconductor device and manufacturing method thereof | Yoshinori Okumura, Haruo Furuta | 2004-08-03 |
| 6731535 | Nonvolatile semiconductor memory device | Tsukasa Ooishi, Shigehiro Kuge | 2004-05-04 |