Dobashi Machio

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical waveform shaping device including portions for respectively...
- Patent number 7,620,284
- Issue date Nov 17, 2009
- Yokogawa Electric Corporation
- Shinji Iio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical logic device responsive to pulsed signals
- Patent number 7,442,912
- Issue date Oct 28, 2008
- Yokogawa Electric Corporation
- Morio Wada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical switch
- Patent number 7,200,290
- Issue date Apr 3, 2007
- Yokogawa Electric Corporation
- Wada Morio
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical switch
- Patent number 6,891,986
- Issue date May 10, 2005
- Yokogawa Electric Corp.
- Shinji Iio
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical waveform shaping device including portions for respectively...
- Publication number 20070003202
- Publication date Jan 4, 2007
- YOKOGAWA ELECTRIC CORPORATION
- Shinji Iio
- G02 - OPTICS
Information Patent Application
Optical switch
- Publication number 20060013522
- Publication date Jan 19, 2006
- YOKOGAWA ELECTRIC CORPORATION
- Wada Morio
- G02 - OPTICS
Information Patent Application
Optical switch
- Publication number 20050207692
- Publication date Sep 22, 2005
- Morio Wada
- G02 - OPTICS
Information Patent Application
Optical logic device
- Publication number 20050194519
- Publication date Sep 8, 2005
- Morio Wada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Optical switch
- Publication number 20040184712
- Publication date Sep 23, 2004
- YOKOGAWA ELECTRIC CORPORATION
- Shinji Iio
- G02 - OPTICS