Yuji Koyamashita

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric raw material, antenna device, portable phone and electro...
- Patent number 8,715,533
- Issue date May 6, 2014
- Asahi R&D Co., Ltd.
- Kazuhisa Takagi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Portable telephone with reduced specific absorption rate and improv...
- Patent number 7,274,953
- Issue date Sep 25, 2007
- Kabushiki Kaisha Fine Rubber Kenkyuusho
- Kazuhisa Takagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Dielectric Raw Material, Atenna Device, Portable Phone and Electrom...
- Publication number 20080058467
- Publication date Mar 6, 2008
- Kazuhisa Takagi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of Controlling Specific Inductive Capacity, Dielectric Mater...
- Publication number 20070267603
- Publication date Nov 22, 2007
- Kazuhisa Takagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Portable telephone
- Publication number 20050075150
- Publication date Apr 7, 2005
- KABUSHIKI KAISHA FINE RUBBER KENKYUUSHO
- Kazuhisa Takagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE