Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210483 | Burst signal spectrum measuring system with stepwise sweeping | Hiroyoshi Oka, Takehiko Sato, Aiichi Katayama | 1993-05-11 |
| 4839582 | Signal analyzer apparatus with automatic frequency measuring function | Seiryo Fukaya, Mitsuyoshi Takano | 1989-06-13 |