Issued Patents All Time
Showing 1–3 of 3 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 | Kaoru Ishida, Hiroaki Kosugi, Takashi Enoki, Makoto Aisaka | 2000-10-10 |
| 5973557 | High efficiency linear power amplifier of plural frequency bands and high efficiency power amplifier | Masayuki Miyaji, Kaoru Ishida, Hiroaki Kosugi, 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 | Kaoru Ishida, Hiroaki Kosugi, Fujio Sasaki | 1999-07-20 |