Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797936 | Waveform sequence trigger system | Kenji Nakatsugawa, Aiichi Katayama, Hitoshi Sekiya | 1989-01-10 |
| 4642519 | Digital wave observation apparatus | Kenji Nakatsugawa, Aiichi Katayama, Hitoshi Sekiya | 1987-02-10 |