Yasuo Kokubun

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-core fiber and method of positioning of core of multi-core fiber
- Patent number 9,335,467
- Issue date May 10, 2016
- NAT'L UNIVERSITY CORP. YOKOHAMA NAT'L UNIVERSITY
- Yasuo Kokubun
- G02 - OPTICS
Information Patent Grant
Coupled system multi-core fiber, coupling mode multiplexer and demu...
- Patent number 8,811,786
- Issue date Aug 19, 2014
- National University Corporation Yokohama National University
- Yasuo Kokubun
- G02 - OPTICS
Information Patent Grant
Multicore fiber and core placement method for multicore fiber
- Patent number 8,761,562
- Issue date Jun 24, 2014
- National University Corporation Yokohama National University
- Yasuo Kokubun
- G02 - OPTICS
Information Patent Grant
Method of arranging cores of multi-core fiber
- Patent number 8,503,847
- Issue date Aug 6, 2013
- National University Corporation Yokohama National University
- Yasuo Kokubun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vertically coupled optical resonator devices over a cross-grid wave...
- Patent number 6,411,752
- Issue date Jun 25, 2002
- Massachusetts Institute of Technology
- Brent E. Little
- G02 - OPTICS
Information Patent Grant
Optical waveguide utilizing an antiresonant layered structure
- Patent number 4,715,672
- Issue date Dec 29, 1987
- American Telephone and Telegraph Company
- Michel A. Duguay
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MULTI-CORE FIBER AND METHOD OF POSITIONING OF CORE OF MULTI-CORE FIBER
- Publication number 20140199039
- Publication date Jul 17, 2014
- National University Corporation Yokohama National University
- Yasuo Kokubun
- G02 - OPTICS
Information Patent Application
MULTICORE FIBER AND CORE PLACEMENT METHOD FOR MULTICORE FIBER
- Publication number 20130156393
- Publication date Jun 20, 2013
- National University Corporation Yokohama National University
- Yasuo Kokubun
- G02 - OPTICS
Information Patent Application
UNCOUPLED MULTI-CORE FIBER
- Publication number 20110243517
- Publication date Oct 6, 2011
- National University Corporation Yokohama National University
- Yasuo Kokubun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COUPLED SYSTEM MULTI-CORE FIBER, COUPLING MODE MULTIPLEXER AND DEMU...
- Publication number 20110188855
- Publication date Aug 4, 2011
- National University Corporation Yokohama National University
- Yasuo Kokubun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical waveguide and method of manufacturing the same
- Publication number 20040057684
- Publication date Mar 25, 2004
- Yasuo KOKUBUN and SEMICONDUCTOR PROCESS LABORATORY CO., LTD.
- Yasuo Kokubun
- G02 - OPTICS