Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977843 | Semiconductor memory device with malfunction prevention device, and portable electronic apparatus using the same | Koji Hamaguchi, Yoshinao Morikawa, Hiroshi Iwata, Akihide Shibata | 2005-12-20 |
| 6894929 | Method of programming semiconductor memory device having memory cells and method of erasing the same | Nobuaki Matsuoka, Yoshinao Morikawa, Hiroshi Iwata, Akihide Shibata | 2005-05-17 |
| 6862251 | Semiconductor memory device | Yoshifumi Yaoi, Hiroshi Iwata, Akihide Shibata, Yoshinao Morikawa | 2005-03-01 |