Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285589 | Non-volatile semiconductor memory apparatus | — | 2001-09-04 |
| 5982662 | Semiconductor memory device with improved read characteristics for data having multi values | Yasuhiro Kobayashi, Yoh Takano, Noriaki Kojima, Sadao Yoshikawa | 1999-11-09 |
| 5946236 | Non-volatile semiconductor memory device and method for writing information therein | — | 1999-08-31 |
| 4742329 | Digital/analog converter | Yasuhiro Yamada | 1988-05-03 |