Issued Patents All Time
Showing 276–300 of 325 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5818791 | Non-volatile semiconductor memory device and memory system using the same | Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1998-10-06 |
| 5815436 | Multi-level nonvolatile semiconductor memory device having improved programming level and read/write multi-level data circuits | Hiroaki Hazama | 1998-09-29 |
| 5793696 | Non-volatile semiconductor memory device and memory system using the same | Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1998-08-11 |
| 5781478 | Nonvolatile semiconductor memory device | Ken Takeuchi | 1998-07-14 |
| 5774397 | Non-volatile semiconductor memory device and method of programming a non-volatile memory cell to a predetermined state | Tetsuo Endoh, Yoshiyuki Tanaka, Seiichi Aritome, Riichiro Shirota, Susumu Shuto +2 more | 1998-06-30 |
| 5768190 | Electrically erasable and programmable non-volatile semiconductor memory with automatic write-verify controller | Yoshiyuki Tanaka, Hiroshi Nakamura, Hideko Odaira | 1998-06-16 |
| 5740112 | Sense amplifier for use in an EEPROM | Yoshiyuki Tanaka, Kazunori Ohuchi, Masaki Momodomi, Yoshihisa Iwata, Koji Sakui +2 more | 1998-04-14 |
| 5724300 | Non-volatile semiconductor memory device and memory system using the same | Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1998-03-03 |
| 5719888 | Memory system | Toru Tanzawa | 1998-02-17 |
| 5708606 | Semiconductor memory device and high-voltage switching circuit | Toru Tanzawa, Ken Takeuchi | 1998-01-13 |
| 5698879 | Nonvolatile semiconductor memory device | Seiichi Aritome, Ken Takeuchi | 1997-12-16 |
| 5682346 | Nonvolatile semiconductor memory device having suitable writing efficiency | Toshio Yamamura, Hiroto Nakai | 1997-10-28 |
| 5680347 | Nonvolatile semiconductor memory device | Ken Takeuchi, Koji Sakui, Seiichi Aritome | 1997-10-21 |
| 5657270 | Electrically erasable programmable read-only memory with threshold value controller for data programming | Kazunori Ohuchi, Yoshihisa Iwata, Yasuo Itoh, Masaki Momodomi, Fujio Masuoka | 1997-08-12 |
| 5652719 | Nonvolatile semiconductor memory device | Gertjan Hemink | 1997-07-29 |
| 5627488 | Delay circuit, oscillation circuit and semiconductor memory device | Toru Tanzawa, Toshio Yamamura, Koji Sakui | 1997-05-06 |
| 5627782 | Electrically erasable and programmable non-volatile semiconductor memory with automatic write-verify controller | Yoshiyuki Tanaka, Hiroshi Nakamura, Hideko Odaira | 1997-05-06 |
| 5621682 | Memory system | Toru Tanzawa | 1997-04-15 |
| 5615165 | Non-volatile semiconductor memory device and memory system using the same | Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1997-03-25 |
| 5615163 | Semiconductor memory device | Koji Sakui, Hiroshi Nakamura, Masaki Momodomi, Fujio Masuoka, Takehiro Hasegawa | 1997-03-25 |
| 5602789 | Electrically erasable and programmable non-volatile and multi-level memory systemn with write-verify controller | Tetsuo Endoh, Riichiro Shirota, Kazunori Ohuchi, Ryouhei Kirisawa, Seiichi Aritome +1 more | 1997-02-11 |
| 5572478 | Power supply unit for an IC memory card | Toshiro Sato, Tetsuhiko Mizoguchi, Yuji Ide | 1996-11-05 |
| 5570315 | Multi-state EEPROM having write-verify control circuit | Gertjan Hemink | 1996-10-29 |
| 5566105 | Electrically erasable and programmable non-volatile semiconductor memory with automatic write-verify controller | Yoshiyuki Tanaka, Hiroshi Nakamura, Hideko Odaira | 1996-10-15 |
| 5555204 | Non-volatile semiconductor memory device | Tetsuo Endoh, Yoshiyuki Tanaka, Seiichi Aritome, Riichiro Shirota, Susumu Shuto +2 more | 1996-09-10 |