Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101249 | Nonvolatile semiconductor memory device | Takao Nozaki, Takashi Ito, Hajime Ishikawa | 1992-03-31 |
| 4491859 | Semiconductor non-volatile memory device | Takashi Ito | 1985-01-01 |
| 4266985 | Process for producing a semiconductor device including an ion implantation step in combination with direct thermal nitridation of the silicon substrate | Takashi Ito | 1981-05-12 |