Issued Patents All Time
Showing 226–250 of 282 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 6310374 | Nonvolatile semiconductor memory device having extracting electrode | Shinji Satoh, Riichiro Shirota | 2001-10-30 |
| 6292390 | Semiconductor device | Koji Sakui, Takehiro Hasegawa, Shigeyoshi Watanabe, Fujio Masuoka, Tsuneaki Fuse +3 more | 2001-09-18 |
| 6265739 | Non-volatile semiconductor memory device and its manufacturing method | Toshitake Yaegashi, Kazuhiro Shimizu | 2001-07-24 |
| 6258665 | Non-volatile semiconductor memory device and method for manufacturing the same | Kazuhiro Shimizu, Kazuhito Narita | 2001-07-10 |
| 6240012 | 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 | 2001-05-29 |
| 6232822 | Semiconductor device including a bipolar transistor biased to produce a negative base current by the impact ionization mechanism | Koji Sakui, Takehiro Hasegawa, Shigeyoshi Watanabe, Fujio Masuoka, Tsuneaki Fuse +3 more | 2001-05-15 |
| 6222225 | Semiconductor device and manufacturing method thereof | Takuya Nakamura, Naoki Koido, Hirohisa Iizuka, Kazuhito Narita, Fumitaka Arai | 2001-04-24 |
| 6191975 | Non-volatile NAND type semiconductor memory device with stacked gate memory cells and a stacked gate select transistor | Kazuhiro Shimizu, Shinji Satoh | 2001-02-20 |
| 6188611 | Non-volatile semiconductor memory device | Tetsuo Endoh, Yoshiyuki Tanaka, Riichiro Shirota, Susumu Shuto, Tomoharu Tanaka +2 more | 2001-02-13 |
| 6172911 | Non-volatile semiconductor memory device with an improved verify voltage generator | Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more | 2001-01-09 |
| 6160297 | Semiconductor memory device having a first source line arranged between a memory cell string and bit lines in the direction crossing the bit lines and a second source line arranged in parallel to the bit lines | Kazuhiro Shimizu, Hiroshi Watanabe, Yuji Takeuchi, Toshiharu Watanabe | 2000-12-12 |
| 6157056 | Semiconductor memory device having a plurality of memory cell transistors arranged to constitute memory cell arrays | Yuji Takeuchi, Toshiharu Watanabe, Hiroshi Watanabe, Kazuhiro Shimizu | 2000-12-05 |
| 6115287 | Nonvolatile semiconductor memory device using SOI | Kazuhiro Shimizu | 2000-09-05 |
| 6080624 | Nonvolatile semiconductor memory and method for manufacturing the same | Eiji Kamiya | 2000-06-27 |
| 6060740 | Non-volatile semiconductor memory device and method for manufacturing the same | Kazuhiro Shimizu, Kauhito Narita | 2000-05-09 |
| 6061280 | Data protection system for nonvolatile semiconductor memory device | — | 2000-05-09 |
| 6057580 | Semiconductor memory device having shallow trench isolation structure | Hiroshi Watanabe, Yuji Takeuchi, Kazuhiro Shimizu | 2000-05-02 |
| 6049482 | Non-volatile semiconductor memory device | Kazuhiro Shimizu | 2000-04-11 |
| 6046940 | Nonvolatile semiconductor memory device | Ken Takeuchi, Koji Sakui, Tomoharu Tanaka | 2000-04-04 |