Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6226499 | Radio circuit apparatus and radio communication equipment | Toshifumi Nakatani, Hisashi Adachi, Hiroaki Kosugi, Hiroyuki Itokawa, Shunsuke Hirano | 2001-05-01 |
| 6114911 | Power amplifier | Hiroshi Iwai, Kaoru Ishida, Hiroaki Kosugi, Takashi Enoki | 2000-09-05 |
| 6081694 | Mobile telephone transmitter with internal auxiliary matching circuit | Toru Matsuura, Kaoru Ishida, Hiroaki Kosugi | 2000-06-27 |
| 5987309 | Transceiver circuits for TDMA system with variable frequency second local oscillator | Hisashi Adachi, Hiroaki Kosugi, Toshio Obara | 1999-11-16 |
| 5872487 | Fast frequency switching synthesizer | Hisashi Adachi, Hiroaki Kosugi, Tomoki Uwano, Takeshi Miura | 1999-02-16 |
| 5594394 | Antenna diversity switching device with switching circuits between the receiver terminal and each antenna | Atsushi Sasaki, Toshio Ishizaki, Hiroshi Takahashi, Tooru Sakuragawa, Hideaki Nakakubo +4 more | 1997-01-14 |