Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47844 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2020-02-04 |
| RE46775 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2018-04-03 |
| RE45784 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2015-10-27 |
| RE45758 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2015-10-13 |
| RE45737 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2015-10-06 |
| RE45706 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2015-09-29 |
| RE45663 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2015-09-01 |
| RE45662 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2015-09-01 |
| RE45654 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2015-08-11 |
| RE45218 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2014-10-28 |
| 8547940 | OFDM signal transmission method, transmission apparatus, and reception apparatus | Akira Kisoda, Tomohiro Kimura, Hiroki Furukawa, Kenichiro Hayashi, Yuji Nakai | 2013-10-01 |
| 8483189 | OFDM signal transmission method, transmission apparatus, and reception apparatus | Akira Kisoda, Tomohiro Kimura, Hiroki Furukawa, Kenichiro Hayashi, Yuji Nakai | 2013-07-09 |
| 8250622 | Method and apparatus for broadcasting to a portable terminal | Izumi Usuki, Akira Kisoda, Hidekuni Yomo | 2012-08-21 |
| 7809407 | OFDM signal transmission system, portable terminal, and e-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2010-10-05 |
| 7486940 | Digital broadcast receiving apparatus | Hiroaki Ozeki, Hisaya Kato, Takeo Yasuho | 2009-02-03 |
| 7466645 | OFDM signal receiving apparatus | Ryosuke Mori, Koji Setoh, Daisuke Hayashi, Tetsuya Yagi, Noritaka IGUCHI +1 more | 2008-12-16 |
| 7203158 | OFDM signal transmission system, portable terminal, and e-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Seiji Sakashita, Takao Isogawa, Hisashi Takayama | 2007-04-10 |
| 5442403 | Wide-screen TV signal transmission apparatus | Yoshio Yasumoto, Shuji Inoue, Hideyo Uwabata | 1995-08-15 |
| 5276507 | Multiplex TV signal processing apparatus | Hideyo Uwabata, Yoshio Yasumoto, Shuji Inoue | 1994-01-04 |
| 5270817 | Television signal processing apparatus for separating an auxiliary signal from a letterbox signal | Kenichiro Hayashi, Shuji Inoue, Hideyo Uwabata, Todd S. Bowser, Yoshio Yasumoto | 1993-12-14 |
| 5142353 | Television signal processing apparatus | Yoshio Abe, Yoshio Yasumoto, Shuji Inoue, Hideyo Uwabata | 1992-08-25 |
| 5103295 | Television signal processor for eliminating quality differences between portions of television images having different aspect ratios | Hideyo Uwabata, Yoshio Yasumoto, Shuji Inoue, Yoshio Abe | 1992-04-07 |
| 5036386 | Television signal processing apparatus | Yoshio Yasumoto, Syuji Inoue, Yoshio Abe, Hideyo Uwabata | 1991-07-30 |
| 4985769 | Multiplex TV signal processing apparatus | Yoshio Yasumoto, Shuji Inoue, Yoshio Abe, Hideyo Uwabata | 1991-01-15 |
| 4944032 | Multiplex signal processing apparatus | Yoshio Abe, Yoshio Yasumoto, Shuji Inoue, Hitoshi Takai, Mitsujiro Matsumoto +3 more | 1990-07-24 |