Koji Takahashi

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication apparatus
- Patent number 8,719,674
- Issue date May 6, 2014
- Mitsubishi Electric Corporation
- Koji Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photoelectric transfer device
- Patent number 4,340,506
- Issue date Jul 20, 1982
- TDK Electronics Co., Ltd.
- Kohji Toda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ferromagneticpiezoelectric ceramic composition
- Patent number 4,184,971
- Issue date Jan 22, 1980
- TDK Electronic Co.
- Yoichi Tanaka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ferromagnetic piezoelectric ceramic composition
- Patent number 4,169,803
- Issue date Oct 2, 1979
- TDK Electronic Company
- Yoichi Tanaka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
SUBSCRIBER-SIDE DEVICE AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20140226992
- Publication date Aug 14, 2014
- Mitsubishi Electric Corporation
- Koji Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS
- Publication number 20090254793
- Publication date Oct 8, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Koji Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE