Masato Kawahara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data communication network having multidimensional link structure
- Patent number 7,944,831
- Issue date May 17, 2011
- Oki Electric Industry Co., Ltd.
- Masato Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transfer network
- Patent number 7,684,328
- Issue date Mar 23, 2010
- Oki Electric Industry Co., Ltd.
- Masato Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photonic switching method and photonic switch utilizing same
- Patent number 5,636,045
- Issue date Jun 3, 1997
- Oki Electric Industry Co., Ltd.
- Hideaki Okayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed coupler switch
- Patent number 4,884,858
- Issue date Dec 5, 1989
- Oki Electric Industry Co., Ltd.
- Takashi Ushikubo
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Data communication network having multidimensional link structure
- Publication number 20070133410
- Publication date Jun 14, 2007
- Oki Electric Industry Co., Ltd.
- Masato Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data transfer network
- Publication number 20060268910
- Publication date Nov 30, 2006
- Oki Electric Industry Co., Ltd.
- Masato Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE