Issued Patents All Time
Showing 226–250 of 301 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788601 | Semiconductor memory device and current mirror circuit | Yoshinori Takano, Shigeru Atsumi | 2004-09-07 |
| 6781879 | Nonvolatile semiconductor memory with a page mode | Shigeru Atsumi | 2004-08-24 |
| 6781439 | Memory device pump circuit with two booster circuits | Shigeru Atsumi | 2004-08-24 |
| 6771547 | Boosted voltage generating circuit and semiconductor memory device having the same | Takeshi Miyaba, Shigeru Atsumi | 2004-08-03 |
| 6762956 | High-speed data programmable nonvolatile semiconductor memory device | Seiichi Mori | 2004-07-13 |
| 6734719 | Constant voltage generation circuit and semiconductor memory device | Yoshinori Takano | 2004-05-11 |
| 6711066 | Nonvolatile semiconductor memory | Tadayuki Taura, Masao Kuriyama | 2004-03-23 |
| 6711057 | Nonvolatile semiconductor memory device and method of retrieving faulty in the same | Tadayuki Taura, Shigeru Atsumi | 2004-03-23 |
| 6693818 | Semiconductor storage apparatus | Hitoshi Shiga, Yoshinori Takano, Shigeru Atsumi | 2004-02-17 |
| 6671203 | Nonvolatile semiconductor memory having page mode with a plurality of banks | Shigeru Atsumi, Akira Umezawa, Tadayuki Taura, Hitoshi Shiga, Yoshinori Takano | 2003-12-30 |
| 6650570 | Non-volatile semiconductor memory | Shigeru Atsumi | 2003-11-18 |
| 6643183 | Channel-erase nonvolatile semiconductor memory device | Shigeru Atsumi, Tadayuki Taura | 2003-11-04 |
| 6639837 | Non-volatile semiconductor memory device | Yoshinori Takano, Tadayuki Taura | 2003-10-28 |
| 6621738 | Semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura | 2003-09-16 |
| 6614699 | Booster circuit for raising voltage by sequentially transferring charges from input terminals of booster units to output terminals thereof in response to clock signals having different phases | — | 2003-09-02 |
| 6611938 | Flash memory | Tomoharu Tanaka, Noboru Shibata | 2003-08-26 |
| 6605986 | Boosted voltage generating circuit and semiconductor memory device having the same | Takeshi Miyaba, Shigeru Atsumi | 2003-08-12 |
| 6600692 | Semiconductor device with a voltage regulator | — | 2003-07-29 |
| 6600679 | Level shifter for converting a voltage level and a semiconductor memory device having the level shifter | Kentaro Watanabe | 2003-07-29 |
| 6577538 | Channel-erase nonvolatile semiconductor memory device | Shigeru Atsumi, Tadayuki Taura | 2003-06-10 |
| 6567309 | Semiconductor device | — | 2003-05-20 |
| 6552936 | Semiconductor storage apparatus | Hitoshi Shiga, Yoshinori Takano, Shigeru Atsumi | 2003-04-22 |
| 6545909 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Kazunori Ohuchi, Ken Takeuchi | 2003-04-08 |
| 6535427 | Nonvolatile semiconductor memory device with initialization circuit and control method thereof | Yoshinori Takano, Tadayuki Taura | 2003-03-18 |
| 6525964 | Semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura | 2003-02-25 |