Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873669 | Random access memory device operable in a normal mode and in a test mode | Kiyohiro Furutani, Kazutami Arimoto, Noriaki Matsumoto, Yoshio Matsuda | 1989-10-10 |
| 4849938 | Semiconductor memory device | Kiyohiro Furutani, Kazutami Arimoto, Noriaki Matsumoto, Yoshio Matsuda | 1989-07-18 |
| 4833518 | Semiconductor memory device having improved interconnection structure of memory cell array | Yoshio Matsuda, Kazutami Arimoto, Noriaki Matsumoto, Kiyohiro Furutani | 1989-05-23 |
| 4833653 | Dynamic random access memory having selectively activated subarrays | Kazutami Arimoto, Kiyohiro Furutani, Noriaki Matsumoto, Yoshio Matsuda | 1989-05-23 |
| 4817056 | Semiconductor memory device | Kiyohiro Furutani, Kazutami Arimoto, Noriaki Matsumoto, Yoshio Matsuda | 1989-03-28 |
| 4797001 | Substrate bias generator for use in dynamic random access memory | Noriaki Matsumoto, Kazutami Arimoto, Kiyohiro Furutani, Yoshio Matsuda | 1989-01-10 |