Issued Patents All Time
Showing 51–75 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8089312 | Amplifying circuit with bypass circuit, and electronic device using the same | Motoyuki Okayama, Motohiko Sako, Hidenori Kitamura, Yuta Yamamoto | 2012-01-03 |
| 8050639 | Multi-antenna communication apparatus | Toshifumi Nakatani | 2011-11-01 |
| 8000379 | Radio communication apparatus | Takaaki Kishigami | 2011-08-16 |
| 7813709 | MIMO antenna apparatus provided with variable impedance load element connected to parasitic element | Atsushi Yamamoto, Tsutomu Sakata | 2010-10-12 |
| 7800181 | Semiconductor device and method for fabricating the same | Yasutoshi Okuno, Michikazu Matsumoto, Masafumi Kubota, Seiji Ueda, Kazuo Tsutsui +1 more | 2010-09-21 |
| 7792084 | MIMO antenna apparatus controlling number of streams and modulation and demodulation method | Atsushi Yamamoto, Akira Kato, Satoru Amari | 2010-09-07 |
| 7609071 | Human phantom apparatus, finger phantom apparatus, and apparatus for measuring characteristic of antenna using the same phantom apparatus | Atsushi Yamamoto, Koichi Ogawa | 2009-10-27 |
| 7589687 | Antenna apparatus provided with antenna element excited through multiple feeding points | Atsushi Yamamoto, Tsutomu Sakata, Yoshio Koyanagi | 2009-09-15 |
| 7557761 | Array antenna apparatus having at least two feeding elements and operable in multiple frequency bands | Atsushi Yamamoto, Tsutomu Sakata, Toshiteru Hayashi, Kenichi Yamada | 2009-07-07 |
| 7528674 | Mobile radio apparatus capable of adaptive impedance matching | Akira Kato, Koichi Ogawa, Atsushi Yamamoto | 2009-05-05 |
| 7525493 | Adaptive antenna apparatus including a plurality sets of partial array antennas having different directivities | Atsushi Yamamoto, Tsutomu Sakata | 2009-04-28 |
| 7502592 | Adaptive antenna apparatus provided with controller for controlling to select best demodulated signal | Atsushi Yamamoto, Koichi Ogawa, Yoshio Koyanagi, Akira Kato | 2009-03-10 |
| 7457650 | Portable radio communication apparatus provided with boom portion with through hole | Shinji Kamaeguchi, Kenichi Yamada, Toshihiro Asahina, Atsushi Yamamoto | 2008-11-25 |
| 7447530 | Portable radio communication apparatus provided with a boom portion and a part of housing operating as an antenna | Atsushi Yamamoto, Kenichi Yamada | 2008-11-04 |
| 7439918 | Adaptive antenna apparatus including adaptive controller for adaptive controlling at least two antenna elements | Atsushi Yamamoto, Koichi Ogawa, Yoshio Koyanagi | 2008-10-21 |
| 7362271 | Antenna apparatus, communication apparatus, and antenna apparatus designing method | Atsushi Yamamoto, Kenichi Yamada, Shinji Kamaeguchi | 2008-04-22 |
| 7324047 | Adaptive antenna apparatus for selecting adaptive control processing according to detected signal quality and radio communication apparatus using the same | Atsushi Yamamoto, Koichi Ogawa, Yoshio Koyanagi, Akira Kato | 2008-01-29 |
| 7282752 | MOSFET with a thin gate insulating film | Hisayo Momose, Masanobu Saito, Tatsuya Ohguro, Mizuki Ono, Takashi Yoshitomi +1 more | 2007-10-16 |
| 7245950 | Portable radio communication apparatus provided with a boom portion and a part of housing operating as an antenna | Atsushi Yamamoto, Kenichi Yamada | 2007-07-17 |
| 7196672 | Portable radio communication apparatus provided with a part of a housing operating as an antenna | Atsushi Yamamoto, Kenichi Yamada | 2007-03-27 |
| 7130591 | Cell phone | Koichi Ogawa, Kenichi Yamada, Kazuhiko Ohta, Tsukasa Takahashi, Masayoshi Hirai | 2006-10-31 |
| 7009567 | Portable radio communication apparatus provided with a part of a housing operating as an antenna | Atsushi Yamamoto, Kenichi Yamada | 2006-03-07 |
| 6985113 | Radio antenna apparatus provided with controller for controlling SAR and radio communication apparatus using the same radio antenna apparatus | Shotaro Nishimura, Atsushi Yamamoto, Koichi Ogawa | 2006-01-10 |
| 6929990 | MOSFET with a thin gate insulating film | Hisayo Momose, Masanobu Saito, Tatsuya Ohguro, Mizuki Ono, Takashi Yoshitomi +1 more | 2005-08-16 |
| 6906677 | Antenna, antenna device, and radio equipment | Atsushi Yamamoto, Koichi Ogawa | 2005-06-14 |