Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803837 | Power splitter/combiner circuit, high power amplifier and balun circuit | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2004-10-12 |
| 6710652 | Feedforward amplifier | Kaoru Ishida, Toshimitsu Matsuyoshi, Seiji Fujiwara | 2004-03-23 |
| 6690249 | Power splitter/combiner multi-layer circuit | Kaoru Ishida, Hiroaki Kosugi, Shin'ichi Kugou | 2004-02-10 |