Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836444 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Ken Takeuchi, Hideko Oodaira, Kenichi Imamiya, Kazuhito Narita +1 more | 2004-12-28 |
| 6828624 | Nonvolatile semiconductor memory device covered with insulating film which is hard for an oxidizing agent to pass therethrough | Akira Goda, Riichiro Shirota, Hiroaki Hazama, Hirohisa Iizuka, Seiichi Aritome +1 more | 2004-12-07 |
| 6828627 | Semiconductor device | Akira Goda, Riichiro Shirota, Norihisa Arai, Naoki Koido, Seiichi Aritome +3 more | 2004-12-07 |
| 6818508 | Non-volatile semiconductor memory device and manufacturing method thereof | Yuji Takeuchi | 2004-11-16 |
| 6784503 | Non-volatile semiconductor memory device having memory cell array suitable for high density and high integration | Fumitaka Arai | 2004-08-31 |
| 6747311 | Nonvolatile semiconductor memory device and method for manufacturing the same | Akira Goda, Riichiro Shirota, Hiroaki Hazama, Hirohisa Iizuka, Seiichi Aritome +1 more | 2004-06-08 |
| 6703658 | Non-volatile semiconductor memory device and its manufacturing method | Toshitake Yaegashi, Seiichi Aritome | 2004-03-09 |
| 6703669 | Semiconductor device having serially connected memory cell transistors provided between two current terminals | Akira Goda, Riichiro Shirota, Norihisa Arai, Naoki Koido, Seiichi Aritome +3 more | 2004-03-09 |