Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835978 | Nonvolatile semiconductor memory device having element isolating region of trench type | Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi | 2004-12-28 |
| 6828624 | Nonvolatile semiconductor memory device covered with insulating film which is hard for an oxidizing agent to pass therethrough | Akira Goda, Kazuhiro Shimizu, Hiroaki Hazama, Hirohisa Iizuka, Seiichi Aritome +1 more | 2004-12-07 |
| 6828648 | Semiconductor device and method of manufacturing the same | Naoki Koido, Hirohisa Iizuka | 2004-12-07 |
| 6828627 | Semiconductor device | Akira Goda, Kazuhiro Shimizu, Norihisa Arai, Naoki Koido, Seiichi Aritome +3 more | 2004-12-07 |
| 6806525 | Semiconductor device and operation method thereof | Yuji Takeuchi | 2004-10-19 |
| 6798698 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Fumitaka Arai, Susumu Fujimura | 2004-09-28 |
| 6781895 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more | 2004-08-24 |
| 6747311 | Nonvolatile semiconductor memory device and method for manufacturing the same | Akira Goda, Kazuhiro Shimizu, Hiroaki Hazama, Hirohisa Iizuka, Seiichi Aritome +1 more | 2004-06-08 |
| 6703669 | Semiconductor device having serially connected memory cell transistors provided between two current terminals | Akira Goda, Kazuhiro Shimizu, Norihisa Arai, Naoki Koido, Seiichi Aritome +3 more | 2004-03-09 |
| 6680230 | Semiconductor device and method of fabricating the same | Norihisa Arai, Fumitaka Arai, Seiichi Aritome, Akira Shimizu | 2004-01-20 |