Naoaki Utagawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Antenna device and wireless communication device using the same
- Patent number 9,391,371
- Issue date Jul 12, 2016
- TDK Corporation
- Tetsuzo Goto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna apparatus and wireless communication device using same
- Patent number 9,225,057
- Issue date Dec 29, 2015
- TDK Corporation
- Naoaki Utagawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Antenna device
- Patent number 8,525,732
- Issue date Sep 3, 2013
- TDK Corporation
- Naoaki Utagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and antenna element used therefor
- Patent number 8,421,679
- Issue date Apr 16, 2013
- TDK Corporation
- Kei Suzuki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE USING THE SAME
- Publication number 20150035713
- Publication date Feb 5, 2015
- TDK Corporation
- Tetsuzo GOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA APPARATUS AND WIRELESS COMMUNICATION DEVICE USING SAME
- Publication number 20130088398
- Publication date Apr 11, 2013
- TDK Corporation
- Naoaki Utagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE
- Publication number 20110133993
- Publication date Jun 9, 2011
- TDK CORPORATION
- Naoaki UTAGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE AND ANTENNA ELEMENT USED THEREFOR
- Publication number 20100225542
- Publication date Sep 9, 2010
- TDK CORPORATION
- Kei SUZUKI
- H01 - BASIC ELECTRIC ELEMENTS