Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847994 | Non-volatile semiconductor memory device having a back ground operation mode | Akiko Motoshima, Tomoshi Futatsuya | 1998-12-08 |
| 5811862 | Semiconductor device having a mask programmable memory and manufacturing method thereof | Shinichi Mori, Kenji Koda, Hiromi Sadaie | 1998-09-22 |
| 5600171 | Mask ROM device | Hiroyasu Makihara, Kenji Kohda, Masahide Kaneko | 1997-02-04 |
| 5450424 | Semiconductor memory device with error checking and correcting function | Hiroyasu Makihara, Kenji Kohda | 1995-09-12 |