Toshiyuki Koimori

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Switch apparatus, switchable power amplification apparatus, and mob...
- Patent number 7,400,863
- Issue date Jul 15, 2008
- Sony Ericsson Mobile Communications Japan, Inc.
- Tomoo Kobayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier
- Patent number 7,046,091
- Issue date May 16, 2006
- Sony Corporation
- Toshiyuki Koimori
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Switch apparatus, switchable power amplification apparatus, and mob...
- Publication number 20050186919
- Publication date Aug 25, 2005
- SONY ERICSSON MOBILE COMMUNICATIONS JAPAN, INC.
- Tomoo Kobayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power amplifier
- Publication number 20040189394
- Publication date Sep 30, 2004
- Toshiyuki Koimori
- H03 - BASIC ELECTRONIC CIRCUITRY