Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10056150 | Non-volatile semiconductor memory device | Keiji Ikeda, Chika Tanaka, Tsutomu Tezuka | 2018-08-21 |
| 10049720 | Dynamic random access memory (DRAM) | Chika Tanaka, Keiji Ikeda, Tsutomu Tezuka | 2018-08-14 |
| 9978441 | Semiconductor memory device | Chika Tanaka, Keiji Ikeda, Tsutomu Tezuka | 2018-05-22 |