Hiroyuki Itokawa

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Antenna duplexer and mobile communication device using the same
- Patent number 7,038,557
- Issue date May 2, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio circuit apparatus and radio communication equipment
- Patent number 6,226,499
- Issue date May 1, 2001
- Matsushita Electric Industrial Co., Ltd.
- Toshifumi Nakatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Antenna duplexer and mobile communication device using the same
- Publication number 20020186757
- Publication date Dec 12, 2002
- Hiroyuki Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE