Akifumi MATSUMURA

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound output device and method of adjusting sound volume
- Patent number 9,461,604
- Issue date Oct 4, 2016
- Funai Electric Co., Ltd.
- Akifumi Matsumura
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Digital Electronic Device and Method for Adjusting Signal Level of...
- Publication number 20140198931
- Publication date Jul 17, 2014
- Funai Electric Co., Ltd.
- Akifumi MATSUMURA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DEVICE FAULT HANDLING SYSTEM AND COMMUNICATION-COMPATIBLE DEVICE
- Publication number 20130305104
- Publication date Nov 14, 2013
- Funai Electric Co., Ltd.
- Shuji Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ADVERTISING SYSTEM, ADVERTISING METHOD AND EXTERNAL NETWORK-COMPATI...
- Publication number 20130262246
- Publication date Oct 3, 2013
- Funai Electric Co., Ltd.
- Akifumi Matsumura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic Apparatus and Power Supply Control System
- Publication number 20130232367
- Publication date Sep 5, 2013
- Funai Electric Co., Ltd.
- Akifumi MATSUMURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SOUND OUTPUT DEVICE AND METHOD OF ADJUSTING SOUND VOLUME
- Publication number 20130156227
- Publication date Jun 20, 2013
- Funai Electric Co., Ltd.
- Akifumi MATSUMURA
- H03 - BASIC ELECTRONIC CIRCUITRY