Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839582 | Signal analyzer apparatus with automatic frequency measuring function | Mitsuyoshi Takano, Narushi Amamoto | 1989-06-13 |
| 4839583 | Signal analyzer apparatus with analog partial sweep function | Mitsuyoshi Takano | 1989-06-13 |