Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200925 | Serial access semiconductor memory device and operating method therefor | — | 1993-04-06 |
| 4734889 | Semiconductor memory | Koichiro Mashiko, Tadato Yamagata, Yuto Ikeda | 1988-03-29 |
| 4641281 | Dynamic random access memory with hidden refresh control | Koichiro Mashiko, Michihiro Yamada, Kazutami Arimoto, Hiroshi Miyamoto, Toshifumi Kobayashi | 1987-02-03 |