Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10587823 | Encoding device comprising video switching device, encoding method including video switching detection method | Hiroyuki Takesue | 2020-03-10 |
| 10356419 | Encoding device and encoding method | Hiroyuki Takesue | 2019-07-16 |
| 7983326 | Digital transmission system and its transmission status recognition method | — | 2011-07-19 |
| 7492792 | Apparatus for receiving digital data | Seiichi Sano | 2009-02-17 |
| 7412306 | Thermal management of a personal computing apparatus | Takayuki Katoh, Mitsuhiro Yamazaki, Hiroyuki Uchida, Susumu Shimotono, Mizuho Tadokoro | 2008-08-12 |
| 7330515 | Method and apparatus capable of restricting resending operation | — | 2008-02-12 |
| 7301969 | OFDM transmitting apparatus, receiving apparatus and transmitting system and signal structure of transmission signal for use in the same | Tetsuomi Ikeda | 2007-11-27 |
| 7170929 | Digital signal transmission system and method of displaying transmission condition in digital signal transmission system | Yoshikatsu Wagatsuma, Hiroyuki Takesue | 2007-01-30 |
| 6912247 | Digital signal transmission system and method of displaying transmission condition in digital signal transmission system | Yoshikatsu Wagatsuma, Hiroyuki Takesue | 2005-06-28 |
| 6836518 | Synchronization control method for receiver apparatus of data transmission system utilizing orthogonal frequency division multiplex, and data transmission system | Seiichi Sano, Yoshikatsu Wagatsuma | 2004-12-28 |
| 6813326 | Data transmission system, data transmission communication station, and data transmission method | Toshiyuki Akiyama, Seiichi Sano, Hisao Koda, Itsuo Ishida, Hiroyuki Takesue +2 more | 2004-11-02 |
| 6611493 | Communication, transmission and receiving method and apparatus using orthogonal frequency division multiplexing modulation system | Toshiyuki Akiyama, Seiichi Sano, Hiroyuki Takesue, Tatuhiro Nakada, Nobuo Tsukamoto | 2003-08-26 |
| 6512798 | Digital communication system of orthogonal modulation type | Toshiyuki Akiyama, Nobuo Tsukamoto | 2003-01-28 |
| 6473466 | Data transmitting method and data transmitting apparatus accompanied with a plurality of transmitting of receiving antennas | Seiichi Sano, Toshiyuki Akiyama, Nobuo Tsukamoto, Tatuhiro Nakada | 2002-10-29 |
| 6381236 | Bi-directional digital transmission system and bi-directional digital transmission method | Toshiyuki Akiyama, Nobuo Tsukamoto | 2002-04-30 |
| 6381251 | Data transmission apparatus and receiving apparatus using orthogonal frequency division multiplex modulation system | Seiichi Sano, Toshiyuki Akiyama, Nobuo Tsukamoto | 2002-04-30 |
| 6304611 | OFDM modulator and OFDM modulation method for digital modulated wave having guard interval | Toshiyuki Akiyama, Seiichi Sano, Nobuo Tsukamoto, Tatuhiro Nakada | 2001-10-16 |
| 6246735 | Synchronization detection method for data transmission apparatus and data transmission apparatus using the same | Seiichi Sano, Toshiyuki Akiyama, Nobuo Tsukamoto | 2001-06-12 |
| 6201570 | Digital television camera apparatus provided with camera head unit and camera control unit, independently | Nobuo Murata | 2001-03-13 |
| 6046629 | Method of an apparatus for demodulating amplitude-modulated signals in an amplitude phase shift keying (APSK) system | Toshiyuki Akiyama, Seiichi Sano, Nobuo Tsukamoto, Shigeki Moriyama, Kenichi Tsuchida | 2000-04-04 |
| 5828784 | Data coding method and apparatus using a plurality of blocks of different length | Yuuichi Oonami | 1998-10-27 |
| 5815600 | Image data signal compression/transmission method and image data signal compression/transmission system | Seiichi Sano, Shuji Usui, Yuuichi Oonami, Takayuki Tanaka, Ryu Watanabe | 1998-09-29 |
| 5557540 | Coding and transmitting system | — | 1996-09-17 |
| 4633332 | Multi-mode magnetic recording system and multi-mode magnetic recording and playback system for VTR | Seiji Higurashi, Kaoru Kobayashi | 1986-12-30 |