Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8049559 | Semiconductor device, radio frequency circuit, and radio frequency power amplifier | Junji KAIDO, Shinichi Sonetaka, Hiroaki Kawano | 2011-11-01 |
| 8013673 | Radio frequency power amplifier | Satoshi Makioka, Motoyoshi Iwata | 2011-09-06 |
| 7924098 | High frequency amplifier circuit and mobile communication terminal using the same | Masao Nakayama, Tsunehiro Takagi, Kaname Motoyoshi | 2011-04-12 |
| 7834700 | Radio frequency power amplifier | Kazuki Tateoka, Hirokazu Makihara, Shingo Matsuda, Junji KAIDO | 2010-11-16 |
| 7768354 | Radio-frequency power amplifier | Shingo Matsuda, Hirokazu Makihara, Kazuki Tateoka | 2010-08-03 |
| 7733187 | High frequency power amplifier | Kazuki Tateoka, Haruhiko Koizumi | 2010-06-08 |
| 7692491 | Radio-frequency power amplifier | Hirokazu Makihara, Haruhiko Koizumi, Kazuki Tateoka, Shingo Matsuda | 2010-04-06 |
| 7679438 | High frequency circuit, semiconductor device, and high frequency power amplification device | Kazuki Tateoka, Shingo Matsuda, Kazuhiko Ohashi, Haruhiko Koizumi | 2010-03-16 |
| 7626459 | High frequency amplifier circuit and mobile communication terminal using the same | Masao Nakayama, Tsunehiro Takagi, Kaname Motoyoshi | 2009-12-01 |
| 7454182 | Attenuator with switch function and mobile telephone terminal device using the same | Takashi Yamamoto, Masao Nakayama, Kaname Motoyoshi | 2008-11-18 |
| 7449957 | Radio frequency power amplifier | Shingo Enomoto, Haruhiko Koizumi, Kazuki Tateoka, Hirokazu Makihara, Shingo Matuda +1 more | 2008-11-11 |
| 7439808 | High-frequency power amplifier | Kazuki Tateoka, Hirokazu Makihara, Singo Matsuda, Kenta Matsui, Singo Enomoto +1 more | 2008-10-21 |
| 7425872 | Radio frequency power amplifier | Kazuhiko Ohhashi, Hiroshi Sugiyama, Masao Nakayama, Kaname Motoyoshi | 2008-09-16 |
| 7421255 | Transmission apparatus and mobile communication terminal apparatus | Tsunehiro Takagi, Masao Nakayama, Haruhiko Koizumi, Kaname Motoyoshi | 2008-09-02 |
| 7340229 | High frequency amplification circuit and mobile communication terminal using the same | Masao Nakayama, Tsunehiro Takagi, Kaname Motoyoshi | 2008-03-04 |
| 7312661 | RF power amplifier | Kaname Motoyoshi, Kazuhiko Ohhashi, Hiroshi Sugiyama | 2007-12-25 |
| 7245170 | Attenuator and portable telephone terminal apparatus using the same | Tsunehiro Takagi, Masao Nakayama, Kaname Motoyoshi | 2007-07-17 |
| 7245895 | Attenuator with switch function and mobile telephone terminal device using the same | Takashi Yamamoto, Masao Nakayama, Kaname Motoyoshi | 2007-07-17 |
| 7239205 | High frequency amplifier circuit and mobile communication terminal using the same | Masao Nakayama, Tsunehiro Takagi, Kaname Motoyoshi | 2007-07-03 |
| 6853235 | High frequency switch, amplifying circuit, and mobile communication terminal | Masao Nakayama, Takashi Yamamoto, Kaname Motoyoshi | 2005-02-08 |
| 6337974 | Cellular mobile telephone terminal | Kaname Motoyoshi, Katsushi Tara | 2002-01-08 |
| 6229370 | Amplifier | Kaname Motoyoshi, Katsushi Tara | 2001-05-08 |
| 6188283 | Amplifier and semiconductor device therefor | Masahiro Hagio, Kaname Motoyoshi, Katsushi Tara | 2001-02-13 |