Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828624 | Nonvolatile semiconductor memory device covered with insulating film which is hard for an oxidizing agent to pass therethrough | Akira Goda, Riichiro Shirota, Kazuhiro Shimizu, Hiroaki Hazama, Hirohisa Iizuka +1 more | 2004-12-07 |
| 6759314 | Method for manufacturing semiconductor devices using thermal nitride films as gate insulating films | Naoki Kai, Hiroaki Hazama, Keiki Nagai, Yuji Fukazawa, Kazuo Saki +2 more | 2004-07-06 |
| 6747311 | Nonvolatile semiconductor memory device and method for manufacturing the same | Akira Goda, Riichiro Shirota, Kazuhiro Shimizu, Hiroaki Hazama, Hirohisa Iizuka +1 more | 2004-06-08 |