Mitsuhiko Serikawa

Person

Nishinomiya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data copying system, data copying method, data reading apparatus, d...
- Patent number 6,539,468
- Issue date Mar 25, 2003
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiro Inoue
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audio signal compression method, audio signal compression apparatus...
- Patent number 6,477,490
- Issue date Nov 5, 2002
- Matsushita Electric Industrial Co., Ltd.
- Yoshihisa Nakatoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion removal apparatus, method for determining coefficient fo...
- Patent number 6,408,079
- Issue date Jun 18, 2002
- Matsushita Electric Industrial Co., Ltd.
- Taro Katayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech recognition method and apparatus using frequency warping of...
- Patent number 6,311,153
- Issue date Oct 30, 2001
- Matsushita Electric Industrial Co., Ltd.
- Yoshihisa Nakatoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound field and sound image control apparatus and method
- Patent number 5,796,845
- Issue date Aug 18, 1998
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiko Serikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound quality control system
- Patent number 5,745,586
- Issue date Apr 28, 1998
- Matsushita Electric Industrial Co., Ltd.
- Ryo Tagami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sound field and sound image control apparatus and method
- Patent number 5,684,881
- Issue date Nov 4, 1997
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiko Serikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound reproduction system and a sound reproduction method
- Patent number 5,617,478
- Issue date Apr 1, 1997
- Matsushita Electric Industrial Co., Ltd.
- Ryou Tagami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound amplifying apparatus with automatic howl-suppressing function
- Patent number 5,442,712
- Issue date Aug 15, 1995
- Matsushita Electric Industrial Co., Ltd.
- Akihisa Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound field controller
- Patent number 5,381,482
- Issue date Jan 10, 1995
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Music/voice discriminating apparatus
- Patent number 5,375,188
- Issue date Dec 20, 1994
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiko Serikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound field variable apparatus
- Patent number 5,233,661
- Issue date Aug 3, 1993
- Matsushita Electric Industrial Co., Ltd.
- Akihisa Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for supplying control codes to sound field reproduction a...
- Patent number 5,164,840
- Issue date Nov 17, 1992
- Matsushita Electric Industrial Co., Ltd.
- Akihisa Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Reflection sound compression apparatus
- Patent number 5,144,673
- Issue date Sep 1, 1992
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Matsumoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound field control system
- Patent number 5,123,050
- Issue date Jun 16, 1992
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiko Serikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Thin speaker having an enclosure with an open portion and a closed...
- Patent number 5,073,946
- Issue date Dec 17, 1991
- Matsushita Electric Industrial Co., Ltd.
- Katsuaki Satoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound field control apparatus
- Patent number 5,073,942
- Issue date Dec 17, 1991
- Matsushita Electric Industrial Co., Ltd.
- Hiroko Yoshida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus for changing a sound field
- Patent number 5,023,913
- Issue date Jun 11, 1991
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Thin speaker having an enclosure within an open portion and a close...
- Patent number 4,899,390
- Issue date Feb 6, 1990
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Takewa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microwave heating appliance for automatically heating an object on...
- Patent number 4,868,357
- Issue date Sep 19, 1989
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiko Serikawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for controlling tone quality
- Patent number 4,751,739
- Issue date Jun 14, 1988
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiko Serikawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Audio signal processor, audio player and audio distribution system
- Publication number 20020027994
- Publication date Mar 7, 2002
- Taro Katayama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Audio signal compression method, audio signal compression apparatus...
- Publication number 20010044727
- Publication date Nov 22, 2001
- Yoshihisa Nakatoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Mitsuhiko Serikawa

Person

Patents Grantslast 30 patents

Data copying system, data copying method, data reading apparatus, d...

Audio signal compression method, audio signal compression apparatus...

Distortion removal apparatus, method for determining coefficient fo...

Speech recognition method and apparatus using frequency warping of...

Sound field and sound image control apparatus and method

Sound quality control system

Sound field and sound image control apparatus and method

Sound reproduction system and a sound reproduction method

Sound amplifying apparatus with automatic howl-suppressing function

Sound field controller

Music/voice discriminating apparatus

Sound field variable apparatus

Apparatus for supplying control codes to sound field reproduction a...

Reflection sound compression apparatus

Sound field control system

Thin speaker having an enclosure with an open portion and a closed...

Sound field control apparatus

Apparatus for changing a sound field

Thin speaker having an enclosure within an open portion and a close...

Microwave heating appliance for automatically heating an object on...

Apparatus and method for controlling tone quality

Patents Applicationslast 30 patents

Audio signal processor, audio player and audio distribution system

Audio signal compression method, audio signal compression apparatus...