Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10651132 | Semiconductor device | Yoshitaka Ono | 2020-05-12 |
| 5751636 | Semiconductor memory device having data erasing mechanism | Kiyomi Naruke, Tomoko Suzuki, Seiji Yamada, Etsushi Obi | 1998-05-12 |
| 5623445 | Semiconductor memory device having data erasing mechanism | Kiyomi Naruke, Tomoko Suzuki, Seiji Yamada, Etsushi Obi | 1997-04-22 |
| 5452248 | Method of operating a nonvolatile semiconductor memory device | Kiyomi Naruke, Tomoko Suzuki, Seiji Yamada, Etsushi Obi | 1995-09-19 |
| 5349553 | Nonvolatile semiconductor memory device | Seiji Yamada | 1994-09-20 |