Issued Patents 1997
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 5627782 | Electrically erasable and programmable non-volatile semiconductor memory with automatic write-verify controller | Yoshiyuki Tanaka, Hiroshi Nakamura, Hideko Odaira | 1997-05-06 |
| 5627488 | Delay circuit, oscillation circuit and semiconductor memory device | Toru Tanzawa, Toshio Yamamura, Koji Sakui | 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 |