Takeo Ootsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Microphone characteristic adjustment device
- Patent number 6,700,986
- Issue date Mar 2, 2004
- Vertex Standard Co., Ltd.
- Takeo Ootsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Microphone characteristic adjustment device
- Publication number 20020168077
- Publication date Nov 14, 2002
- VERTEX STANDARD CO., LTD.
- Takeo Ootsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE