Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344735 | Spectrum analyzer and spectrum measuring method using the same | Yuji Yoshino | 2002-02-05 |
| 6229316 | Measuring method by spectrum analyzer | Takayoshi Fukui, Kouichi Yamashita, Takahiro Yamaguchi, Osamu Aoyama, Takashi Kosuge +2 more | 2001-05-08 |
| 6191571 | Measuring method by spectrum analyzer | Takayoshi Fukui, Kouichi Yamashita, Takahiro Yamaguchi, Osamu Aoyama, Takashi Kosuge +2 more | 2001-02-20 |
| 5818215 | Direct digital synthesizer driven phase lock loop spectrum analyzer | Hiroaki Takaoku, Osamu Aoyama | 1998-10-06 |