Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952344 | Frequency characteristic measuring apparatus | Wataru Doi | 2011-05-31 |
| 7741831 | Frequency component measuring device | — | 2010-06-22 |
| 5416798 | Device for measuring the average value of pulse signals | Masaaki Hirose, Kazuo Katoh, Yutaka Ueki, Mitsunori Satoh, Takashi Kosuge | 1995-05-16 |
| 4680540 | Device for measuring average frequencies | Shoji Niki, Toshiro Takahashi | 1987-07-14 |
| 4513256 | Swept frequency signal generator | Takenori Kurihara, Shigeki Tojo | 1985-04-23 |