Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11037616 | Apparatuses and methods for refresh operations in semiconductor memories | Toru Ishikawa, Shinji Bessho | 2021-06-15 |
| 11011218 | Apparatuses and methods for refresh operations including multiple refresh activations | Shinji Bessho, Toru Ishikawa | 2021-05-18 |