Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7590400 | Radio apparatus | Shoji Otaka, Hiroshi Tsurumi, Hiroshi Yoshida, Hiroyuki Kayano, Tadahiko Maeda | 2009-09-15 |
| 7502407 | Wireless communication and wireless communication apparatus | Ren Sakata, Mutsumu Serizawa, Hiroki Shoki, Hiroshi Tsurumi, Shuichi Obayashi +3 more | 2009-03-10 |
| 7489954 | Wireless communication apparatus and method of wireless communication | Mutsumu Serizawa, Hiroki Shoki, Hiroshi Tsurumi, Shuichi Obayashi, Kiyoshi Toshimitsu +4 more | 2009-02-10 |
| 7386329 | Wireless communication apparatus and method of wireless communication | Mutsumu Serizawa, Hiroki Shoki, Hiroshi Tsurumi, Shuichi Obayashi, Kiyoshi Toshimitsu +4 more | 2008-06-10 |
| 7319714 | Wireless communication and wireless communication apparatus | Ren Sakata, Mutsumu Serizawa, Hiroki Shoki, Hiroshi Tsurumi, Shuichi Obayashi +3 more | 2008-01-15 |
| 7194262 | Wireless communication system, wireless base station, wireless terminal and method of wireless communication | Tsuguhide Aoki, Tomoko Adachi, Kiyoshi Toshimitsu, Mutsumu Serizawa, Hiroki Shoki +3 more | 2007-03-20 |
| 7184738 | Radio apparatus | Shoji Otaka, Hiroshi Tsurumi, Hiroshi Yoshida, Hiroyuki Kayano, Tadahiko Maeda | 2007-02-27 |
| 7079878 | Portable radio terminal capable of obtaining good polarization efficiency regardless of position and direction of antenna | Noriaki Odachi | 2006-07-18 |
| 6911944 | Antenna apparatus | Takayoshi Ito, Yasushi Murakami, Hiroki Shoki | 2005-06-28 |
| 6816712 | Radio apparatus | Shoji Otaka, Hiroshi Tsurumi, Hiroshi Yoshida, Hiroyuki Kayano, Tadahiko Maeda | 2004-11-09 |
| 6701167 | Portable radio terminal capable of obtaining good polarization efficiency regardless of position and direction of antenna | Noriaki Odachi | 2004-03-02 |
| 6683575 | Antenna apparatus | Takayoshi Ito, Yasushi Murakami, Hiroki Shoki | 2004-01-27 |
| 6388627 | Antenna arrangement of an information processor | Toshiyuki Masaki, Koichi Kobayashi, Yoshinori Horiguchi, Toshiki Miyasaka, Hiroki Iwahara | 2002-05-14 |
| 6346916 | Antenna apparatus and radio device using antenna apparatus | Noriaki Odachi | 2002-02-12 |
| 6339711 | Radio apparatus | Shoji Otaka, Hiroshi Tsurumi, Hiroshi Yoshida, Hiroyuki Kayano, Tadahiko Maeda | 2002-01-15 |
| 6285328 | Antenna arrangement of an information processor | Toshiyuki Masaki, Koichi Kobayashi, Yoshinori Horiguchi, Toshiki Miyasaka, Hiroki Iwahara | 2001-09-04 |
| 6147652 | Antenna apparatus | — | 2000-11-14 |
| 5936583 | Portable radio communication device with wide bandwidth and improved antenna radiation efficiency | Minoru Sakurai, Tadahiko Maeda, Yasuo Suzuki, Syuichi Obayashi | 1999-08-10 |
| 5903822 | Portable radio and telephones having notches therein | Tadahiko Maeda | 1999-05-11 |
| 5517676 | Portable radio and telephones having notches therein | Tadahiko Maeda | 1996-05-14 |