| 6539468 |
Data copying system, data copying method, data reading apparatus, data writing apparatus and data recording medium |
Mitsuhiro Inoue, Shunji Harada, Masayuki Kozuka, Makoto Tatebayashi, Yoshihisa Fukushima |
2003-03-25 |
| 6477490 |
Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus |
Yoshihisa Nakatoh, Takeshi Norimatsu, Mineo Tsushima, Tomokazu Ishikawa, Taro Katayama +2 more |
2002-11-05 |
| 6408079 |
Distortion removal apparatus, method for determining coefficient for the same, and processing speaker system, multi-processor, and amplifier including the same |
Taro Katayama |
2002-06-18 |
| 6311153 |
Speech recognition method and apparatus using frequency warping of linear prediction coefficients |
Yoshihisa Nakatoh, Takeshi Norimatsu, Mineo Tsushima, Tomokazu Ishikawa, Taro Katayama +2 more |
2001-10-30 |
| 5796845 |
Sound field and sound image control apparatus and method |
Ryou Tagami, Akihisa Kawamura, Masaharu Matsumoto, Mikio Oda, Hiroko Numazu |
1998-08-18 |
| 5745586 |
Sound quality control system |
Ryo Tagami |
1998-04-28 |
| 5684881 |
Sound field and sound image control apparatus and method |
Ryou Tagami, Akihisa Kawamura, Masaharu Matsumoto, Mikio Oda, Hiroko Numazu |
1997-11-04 |
| 5617478 |
Sound reproduction system and a sound reproduction method |
Ryou Tagami, Takeshi Norimatsu, Masaharu Matsumoto, Mikio Oda, Akihisa Kawamura +1 more |
1997-04-01 |
| 5442712 |
Sound amplifying apparatus with automatic howl-suppressing function |
Akihisa Kawamura, Masaharu Matsumoto, Hiroko Numazu |
1995-08-15 |
| 5381482 |
Sound field controller |
Masaharu Matsumoto, Akihisa Kawamura, Hiroko Numazu, Takeshi Norimatsu, Ryo Tagami +1 more |
1995-01-10 |
| 5375188 |
Music/voice discriminating apparatus |
Akihisa Kawamura, Masaharu Matsumoto, Hiroko Numazu |
1994-12-20 |
| 5233661 |
Sound field variable apparatus |
Akihisa Kawamura, Masaharu Matsumoto, Hiroko Numazu, Katsuaki Sato |
1993-08-03 |
| 5164840 |
Apparatus for supplying control codes to sound field reproduction apparatus |
Akihisa Kawamura, Masaharu Matsumoto, Ryo Tagami, Katsuaki Sato, Hiroko Yoshida +1 more |
1992-11-17 |
| 5144673 |
Reflection sound compression apparatus |
Masaharu Matsumoto, Akihisa Kawamura, Hiroko Yoshida, Katsuaki Sato |
1992-09-01 |
| 5123050 |
Sound field control system |
Masaharu Matsumoto, Akihisa Kawamura, Katsuaki Sato |
1992-06-16 |
| 5073942 |
Sound field control apparatus |
Hiroko Yoshida, Akihisa Kawamura, Masaharu Matsumoto, Katsuaki Sato |
1991-12-17 |
| 5073946 |
Thin speaker having an enclosure with an open portion and a closed portion |
Katsuaki Satoh, Kazue Sato, Kousaku Murata, Tsuneo Tanaka, Shuji Saiki +6 more |
1991-12-17 |
| 5023913 |
Apparatus for changing a sound field |
Masaharu Matsumoto, Katsuaki Satoh, Seiichi Ishikawa, Akihisa Kawamura, Hikari Hashimoto |
1991-06-11 |
| 4899390 |
Thin speaker having an enclosure within an open portion and a closed portion |
Hiroyuki Takewa, Seiichi Ishikawa, Sawako Usuki, Yoichi Kimura, Shuichi Obata |
1990-02-06 |
| 4868357 |
Microwave heating appliance for automatically heating an object on the basis of a distinctive feature of the object |
Sawako Usuki, Katsuaki Sato |
1989-09-19 |
| 4751739 |
Apparatus and method for controlling tone quality |
Akihisa Kawamura, Hiroyuki Takewa, Katsuaki Sato |
1988-06-14 |
