Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809046 | Semiconductor memory device | Keizo Aoyama, Teruo Seki | 1989-02-28 |
| 4603404 | Semiconductor memory device with redundant cells | Teruo Seki, Keizo Aoyama | 1986-07-29 |
| 4587639 | Static semiconductor memory device incorporating redundancy memory cells | Keizo Aoyama, Teruo Seki | 1986-05-06 |
| 4581549 | CMIS chip-select circuit | Keizo Aoyama, Teruo Seki | 1986-04-08 |
| 4573147 | Semiconductor memory device | Keizo Aoyama, Teruo Seki | 1986-02-25 |
| 4571510 | Decoder circuit | Teruo Seki, Keizo Aoyama | 1986-02-18 |
| 4563754 | Static-type random-access memory device | Keizo Aoyama, Teruo Seki | 1986-01-07 |
| 4549199 | Semiconductor device providing a contact structure which can be miniaturized | Teruo Seki, Keizo Aoyama | 1985-10-22 |
| 4507574 | Constant operation speed logic circuit | Teruo Seki, Keizo Aoyama | 1985-03-26 |
| 4504743 | Semiconductor resistor element | Keizo Aoyama | 1985-03-12 |
| 4449066 | Buffer circuit for generating output signals having short recovery time | Keizo Aoyama | 1984-05-15 |
| 4439841 | Semiconductor memory devices | Hideo Itoh | 1984-03-27 |
| 4375039 | Sense amplifier circuit | — | 1983-02-22 |