Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7050870 | Reproduction apparatus and music delivery system | Masahiro Sueyoshi, Masaharu Matsumoto, Takeshi Fujita, Takashi Katayama, Kosuke Nishio +1 more | 2006-05-23 |
| 6931371 | Digital interface device | Masahiro Sueyoshi, Takeshi Fujita, Kosuke Nishio, Takashi Katayama, Masaharu Matsumoto +1 more | 2005-08-16 |
| 6904089 | Encoding device and decoding device | Masahiro Sueyoshi, Masaharu Matsumoto, Kousuke Nishio, Takashi Katayama, Akihisa Kawamura +2 more | 2005-06-07 |
| 6847687 | Audio and video processing apparatus | Takeshi Fujita, Takashi Katayama, Masahiro Sueyoshi, Kousuke Nishio, Masaharu Matsumoto +4 more | 2005-01-25 |
| 6823310 | Audio signal processing device and audio signal high-rate reproduction method used for audio visual equipment | Tsukuru Ishito, Masaharu Matsumoto, Shuji Miyasaka, Takeshi Fujita, Takashi Katayama +4 more | 2004-11-23 |
| 6751177 | Signal processor | Masaharu Matsumoto, Akihisa Kawamura, Masatoshi Shimbo, Naoki Ejima | 2004-06-15 |
| 6631352 | Decoding circuit and reproduction apparatus which mutes audio after header parameter changes | Takeshi Fujita, Takashi Katayama, Masahiro Sueyoshi, Shuji Miyasaka, Masaharu Matsumoto +2 more | 2003-10-07 |
| 6546105 | Sound image localization device and sound image localization method | Takashi Katayama, Masaharu Matsumoto, Masahiro Sueyoshi, Shuji Miyasaka, Takeshi Fujita +2 more | 2003-04-08 |
| 6381208 | Optical recording medium and optical recording and reproducing apparatus | Tetsuo Iwaki | 2002-04-30 |
| 6377641 | Reproduction apparatus and reproduction method | Takashi Katayama, Takeshi Fujita, Masahiro Sueyoshi, Masaharu Matsumoto, Akihisa Kawamura +3 more | 2002-04-23 |
| 6363407 | Exponential calculation device and decoding device | Shuji Miyasaka, Takeshi Fujita, Masahiro Sueyoshi, Akihisa Kawamura, Masaharu Matsumoto +2 more | 2002-03-26 |
| 6356639 | AUDIO DECODING APPARATUS, SIGNAL PROCESSING DEVICE, SOUND IMAGE LOCALIZATION DEVICE, SOUND IMAGE CONTROL METHOD, AUDIO SIGNAL PROCESSING DEVICE, AND AUDIO SIGNAL HIGH-RATE REPRODUCTION METHOD USED FOR AUDIO VISUAL EQUIPMENT | Tsukuru Ishito, Masaharu Matsumoto, Shuji Miyasaka, Takeshi Fujita, Takashi Katayama +4 more | 2002-03-12 |
| 6304890 | Exponential calculation device and decoding device | Shuji Miyasaka, Takeshi Fujita, Masahiro Sueyoshi, Akihisa Kawamura, Masaharu Matsumoto +2 more | 2001-10-16 |
| 6297754 | Decoding device | Shuji Miyasaka, Takeshi Fujita, Masahiro Sueyoshi, Akihisa Kawamura, Masaharu Matsumoto +2 more | 2001-10-02 |
| 6295319 | Decoding device | Masahiro Sueyoshi, Masaharu Matsumoto, Shuji Miyasaka, Takeshi Fujita, Takashi Katayama +5 more | 2001-09-25 |
| 5361180 | Simplified cassette loading mechanism for a magnetic recording and reproducing apparatus | Koji Yamabuchi, Hideshi Ohtsuka, Takashi Koyama, Yoshiyuki Yokomachi, Akio Tanaka | 1994-11-01 |
| 4973982 | Multi-stylus recording head of a printer | Syunzi Nakai, Hiroshi Ishii, Yukihiro Mizumoto, Fumihiko Takemoto | 1990-11-27 |