Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829237 | Circuit device having a self-testing function and a testing method thereof | Masahiko Yoshimoto | 1989-05-09 |
| 4797585 | Pulse generating circuit in a semiconductor integrated circuit and a delay circuit therefor | Tetsuya Matsumura | 1989-01-10 |