Tetsu Tanaka

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Zushi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wireless relay system, wireless relay apparatus, and wireless relay...
- Patent number 7,826,541
- Issue date Nov 2, 2010
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Repeating station, a communication apparatus, and a directivity con...
- Patent number 7,606,531
- Issue date Oct 20, 2009
- NTT DoCoMo, Inc.
- Takahiro Asai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio relay system, radio relay apparatus, and radio relay method
- Patent number 7,463,673
- Issue date Dec 9, 2008
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio repeater and radio relay transmission method
- Patent number 7,430,397
- Issue date Sep 30, 2008
- NTT DoCoMo, Inc.
- Hirohito Suda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Repeating station, a communication apparatus, and a directivity con...
- Publication number 20060003697
- Publication date Jan 5, 2006
- NTT DoCoMo, Inc.
- Takahiro Asai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication apparatus
- Publication number 20050237918
- Publication date Oct 27, 2005
- NTT DoCoMo, Inc.
- Takahiro Asai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless relay system, wireless relay apparatus, and wireless relay...
- Publication number 20050190822
- Publication date Sep 1, 2005
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio relay system, radio relay apparatus, and radio relay method
- Publication number 20050190821
- Publication date Sep 1, 2005
- NTT DoCoMo, Inc.
- Hiromasa Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio repeater and radio relay transmission method
- Publication number 20050130587
- Publication date Jun 16, 2005
- NTT DoCoMo, Inc.
- Hirohito Suda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE