Issued Patents All Time
Showing 101–125 of 148 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611447 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Hideko Oodaira, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2003-08-26 |
| 6590444 | Semiconductor integrated circuit with a down converter for generating an internal voltage | Tamio Ikehashi, Yoshihisa Sugiura, Kenichi Imamiya, Yoshihisa Iwata | 2003-07-08 |
| 6549464 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2003-04-15 |
| 6545909 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Kazunori Ohuchi, Toru Tanzawa | 2003-04-08 |
| 6512253 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2003-01-28 |
| 6507518 | Fail number detecting circuit of flash memory | Koji Hosono, Tamio Ikehashi, Tomoharu Tanaka, Kenichi Imamiya, Hiroshi Nakamura | 2003-01-14 |
| 6469573 | Semiconductor integrated circuit | Kazushige Kanda, Tamio Ikehashi, Kenichi Imamiya | 2002-10-22 |
| 6452437 | Voltage generator for compensating for temperature dependency of memory cell current | Tomoharu Tanaka | 2002-09-17 |
| 6434055 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2002-08-13 |
| 6424588 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Hideko Oodaira, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2002-07-23 |
| 6404274 | Internal voltage generating circuit capable of generating variable multi-level voltages | Koji Hosono, Yasuo Itoh | 2002-06-11 |
| 6373746 | Nonvolatile semiconductor memory having plural data storage portions for a bit line connected to memory cells | Tomoharu Tanaka, Noboru Shibata | 2002-04-16 |
| 6363010 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Kazunori Ohuchi, Toru Tanzawa | 2002-03-26 |
| 6353242 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Toshitake Yaegashi +3 more | 2002-03-05 |
| 6351179 | Semiconductor integrated circuit having active mode and standby mode converters | Tamio Ikehashi, Yoshihisa Sugiura, Kenichi Imamiya, Yoshihisa Iwata | 2002-02-26 |
| 6307785 | Non-volatile semiconductor memory device | Tomoharu Tanaka | 2001-10-23 |
| 6301153 | Nonvolatile semiconductor memory device | Tomoharu Tanaka | 2001-10-09 |
| 6282117 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Kazunori Ohuchi, Toru Tanzawa | 2001-08-28 |
| 6278639 | Booster circuit having booster cell sections connected in parallel, voltage generating circuit and semiconductor memory which use such booster circuit | Koji Hosono, Hiroshi Nakamura, Tamio Ikehashi, Kazushige Kanda, Kenichi Imamiya | 2001-08-21 |
| 6240012 | Semiconductor memory device capable of realizing a chip with high operation reliability and high yield | Hiroshi Nakamura, Hideko Oodaira, Kenichi Imamiya, Kazuhito Narita, Kazuhiro Shimizu +1 more | 2001-05-29 |
| 6208560 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2001-03-27 |
| 6154391 | Nonvolatile semiconductor memory device | Tomoharu Tanaka | 2000-11-28 |
| 6147911 | Nonvolatile semiconductor memory device | Tomoharu Tanaka | 2000-11-14 |
| 6134157 | Nonvolatile semiconductor memory device capable of preventing data from being written in error | — | 2000-10-17 |
| 6134140 | Nonvolatile semiconductor memory device with soft-programming to adjust erased state of memory cells | Tomoharu Tanaka, Hiroshi Nakamura, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2000-10-17 |