Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835743 | Semiconductor memory device performing multi-bit Serial operation | Hideto Hidaka, Kazuyasu Fujishima, Kazutoshi Hirayama | 1989-05-30 |
| 4833650 | Semiconductor memory device including programmable mode selection circuitry | Kazutoshi Hirayama, Kazuyasu Fujishima, Hideto Hidaka | 1989-05-23 |
| 4808844 | Semiconductor device | Kazutoshi Hirayama, Kazuyasu Fujishima, Hideto Hidaka | 1989-02-28 |