Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828627 | Semiconductor device | Kazuhiro Shimizu, Riichiro Shirota, Norihisa Arai, Naoki Koido, Seiichi Aritome +3 more | 2004-12-07 |
| 6828624 | Nonvolatile semiconductor memory device covered with insulating film which is hard for an oxidizing agent to pass therethrough | Riichiro Shirota, Kazuhiro Shimizu, Hiroaki Hazama, Hirohisa Iizuka, Seiichi Aritome +1 more | 2004-12-07 |
| 6819590 | Semiconductor memory | Mitsuhiro Noguchi | 2004-11-16 |
| 6819592 | Semiconductor memory | Mitsuhiro Noguchi, Yasuhiko Matsunaga | 2004-11-16 |
| 6809967 | Data writing method for semiconductor memory device and semiconductor memory device | Mitsuhiro Noguchi, Yuji Takeuchi | 2004-10-26 |
| 6784041 | Semiconductor device and method of manufacturing the same | Yuji Takeuchi, Masayuki Ichige | 2004-08-31 |
| 6774462 | Semiconductor device comprising dual silicon nitride layers with varying nitrogen ratio | Masayuki Tanaka, Yoshio Ozawa, Shigehiko Saida, Mitsuhiro Noguchi, Yuichiro Mitani +1 more | 2004-08-10 |
| 6747311 | Nonvolatile semiconductor memory device and method for manufacturing the same | Riichiro Shirota, Kazuhiro Shimizu, Hiroaki Hazama, Hirohisa Iizuka, Seiichi Aritome +1 more | 2004-06-08 |
| 6720612 | Semiconductor device | Yuji Takeuchi, Masayuki Ichige | 2004-04-13 |
| 6703669 | Semiconductor device having serially connected memory cell transistors provided between two current terminals | Kazuhiro Shimizu, Riichiro Shirota, Norihisa Arai, Naoki Koido, Seiichi Aritome +3 more | 2004-03-09 |