Issued Patents All Time
Showing 226–250 of 325 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6208573 | Semiconductor memory device | Hiroshi Nakamura, Toru Tanzawa | 2001-03-27 |
| 6208560 | Nonvolatile semiconductor memory device | Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2001-03-27 |
| 6188611 | Non-volatile semiconductor memory device | Tetsuo Endoh, Yoshiyuki Tanaka, Seiichi Aritome, Riichiro Shirota, Susumu Shuto +2 more | 2001-02-13 |
| 6185134 | Flash memory control method, flash memory system using the control method and flash memory device using the control method | — | 2001-02-06 |
| 6178115 | Semiconductor memory device and storage method thereof | Noboru Shibata | 2001-01-23 |
| 6172911 | Non-volatile semiconductor memory device with an improved verify voltage generator | Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 2001-01-09 |
| 6154403 | Semiconductor memory device | Toru Tanzawa | 2000-11-28 |
| 6154391 | Nonvolatile semiconductor memory device | Ken Takeuchi | 2000-11-28 |
| 6147911 | Nonvolatile semiconductor memory device | Ken Takeuchi | 2000-11-14 |
| 6134140 | Nonvolatile semiconductor memory device with soft-programming to adjust erased state of memory cells | Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2000-10-17 |
| 6125052 | Semiconductor memory device | — | 2000-09-26 |
| 6122193 | Non-volatile semiconductor memory capable of storing 1-bit data or multi-bit data | Noboru Shibata, Hiroto Nakai, Toshio Yamamura, Susumu Fujimura | 2000-09-19 |
| 6111288 | Quantum tunneling effect device and semiconductor composite substrate | Hiroshi Watanabe, Naoki Yasuda, Akira Toriumi, Toru Tanzawa | 2000-08-29 |
| 6084799 | Nonvolatile semiconductor memory having improved source line drive circuit | Toru Tanzawa | 2000-07-04 |
| 6081454 | Electrically erasable programmable read-only memory with threshold value controller for data programming | Kazunori Ohuchi, Yoshihisa Iwata, Yasuo Itoh, Masaki Momodomi, Fujio Masuoka | 2000-06-27 |
| 6072719 | Semiconductor memory device | Toru Tanzawa | 2000-06-06 |
| 6069823 | Nonvolatile semiconductor memory device | Ken Takeuchi | 2000-05-30 |
| 6064591 | Memory system | Ken Takeuchi | 2000-05-16 |
| 6064611 | Semiconductor memory device | Hiroshi Nakamura, Toru Tanzawa | 2000-05-16 |
| 6055188 | Nonvolatile semiconductor memory device having a data circuit for erasing and writing operations | Ken Takeuchi | 2000-04-25 |
| 6055181 | Nonvolatile semiconductor memory device capable of storing multi-value data of more than one bit in a memory cell | Hiroaki Hazama | 2000-04-25 |
| 6046940 | Nonvolatile semiconductor memory device | Ken Takeuchi, Koji Sakui, Seiichi Aritome | 2000-04-04 |
| 6046935 | Semiconductor device and memory system | Ken Takeuchi | 2000-04-04 |
| 6044013 | Nonvolatile semiconductor memory device | Kazunori Ohuchi, Toru Tanzawa, Ken Takeuchi | 2000-03-28 |
| 6028791 | Semiconductor memory device with improved data reading speed | — | 2000-02-22 |