Issued Patents All Time
Showing 76–86 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130897 | Time division multiple access FDD/TDD dual mode radio and a time division multiple access TDD dual band system | Hiroaki Kosugi, Takashi Enoki, Yoichi Morinaga, Makoto Aisaka | 2000-10-10 |
| 6114911 | Power amplifier | Hiroshi Iwai, Hiroaki Kosugi, Takashi Enoki, Youichi Morinaga | 2000-09-05 |
| 6081694 | Mobile telephone transmitter with internal auxiliary matching circuit | Toru Matsuura, Hiroaki Kosugi, Youichi Morinaga | 2000-06-27 |
| 6054900 | Power amplifier MMIC and mobile communication terminal | Hiroaki Kosugi, Isao Nasuno, Kazuhiko Nakayama | 2000-04-25 |
| 6037837 | Feed forward amplifier | Masayuki Miyaji, Hiroaki Kosugi, Shin'ichi Kugou | 2000-03-14 |
| 6006080 | Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands | Hidenobu Kato, Keiichi Nakayama, Seiichi Yamaguchi, Takashi Enoki, Manabu Yamaguchi +1 more | 1999-12-21 |
| 5973557 | High efficiency linear power amplifier of plural frequency bands and high efficiency power amplifier | Masayuki Miyaji, Hiroaki Kosugi, Yoichi Morinaga, Hidenobu Kato, Takashi Enoki | 1999-10-26 |
| 5926466 | Time division multiple access FDD wireless unit and time division multiple access FDD/TDD dual mode wireless unit | Hiroaki Kosugi, Fujio Sasaki, Yoichi Morinaga | 1999-07-20 |
| 5901345 | Transmitter of wireless system and high frequency power amplifier used therein | Hikaru Ikeda, Hiroaki Kosugi, Nobuo Fuse, Hideki Yagita, Hiroshi Haruki | 1999-05-04 |
| 5852384 | Dual band oscillator circuit using strip line resonators | Makoto Sakakura, Hisanaga Miyoshi, Kouji Hashimoto, Nobuo Fuse, Hiroaki Kosugi | 1998-12-22 |
| 5770970 | Transmitter of wireless system and high frequency power amplifier used therein | Hikaru Ikeda, Hiroaki Kosugi, Nobuo Fuse, Hideki Yagita, Hiroshi Haruki | 1998-06-23 |