Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495896 | Semiconductor integrated circuit device with high and low voltage wells | Toshitake Yaegashi, Yuji Takeuchi, Kazuhiro Shimizu | 2002-12-17 |
| 6472701 | Non-volatile semiconductor memory device and its manufacturing method | Toshitake Yaegashi, Kazuhiro Shimizu | 2002-10-29 |
| 6462373 | Nonvolatile semiconductor memory device having tapered portion on side wall of charge accumulation layer | Kazuhiro Shimizu, Riichiro Shirota, Naoki Koido, Hiroaki Tsunoda, Tadashi Iguchi +3 more | 2002-10-08 |
| 6424588 | 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 | 2002-07-23 |
| 6413809 | Method of manufacturing a non-volatile memory having an element isolation insulation film embedded in the trench | Takuya Nakamura, Naoki Koido, Hirohisa Iizuka, Kazuhito Narita, Fumitaka Arai | 2002-07-02 |
| 6396086 | Semiconductor device and semiconductor integrated circuit having a conductive film on element region | Yuji Takeuchi, Riichiro Shirota, Masashi Umemura, Yuuichiro Murahama, Hitoshi Araki +2 more | 2002-05-28 |
| 6353242 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Toshitake Yaegashi, Yuji Takeuchi +3 more | 2002-03-05 |
| 6342715 | Nonvolatile semiconductor memory device | Kazuhiro Shimizu, Toshiharu Watanabe, Kazuhito Narita | 2002-01-29 |
| 6340611 | Nonvolatile semiconductor memory device | Kazuhiro Shimizu, Toshiharu Watanabe, Kazuhito Narita | 2002-01-22 |