Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324675 | Method of producing semiconductor devices of a MONOS type | — | 1994-06-28 |
| 4868632 | Nonvolatile semiconductor memory | Yutaka Hayashi, Tatsuo Tsuchiya, Seiichi Ishihara | 1989-09-19 |
| 4475180 | Non-volatile memory circuit for portable electronic devices | Fukuo Sekiya | 1984-10-02 |