National University Corporation Yokohama National University

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8811786 Coupled system multi-core fiber, coupling mode multiplexer and demultiplexer, system for transmission using multi-core fiber and method for transmission using multi-core fiberOct 02, 09Aug 19, 14[G02B]
8761562 Multicore fiber and core placement method for multicore fiberAug 23, 11Jun 24, 14[G02B]
7369734 Optical control deviceMar 19, 07May 06, 08[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0033,019 CRYPTOGRAPHIC COMMUNICATION SYSTEM, COMMUNICATION DEVICE, KEY DISTRIBUTION DEVICE, AND CRYPTOGRAPHIC COMMUNICATION METHODAbandonedJun 28, 12Jan 29, 15[H04L]
8535849 Electrochemical cell and fuel cell using an ionic conductorExpiredOct 27, 11Sep 17, 13[H01M]
2012/0093,696 SYSTEM FOR DEGRADING AND REMOVING TOXIC SUBSTANCE BY MEANS OF THERMAL EXCITATION OF CHROMIUM OXIDE OR NICKEL OXIDEAbandonedNov 25, 09Apr 19, 12[B01D]
2011/0046,795 DRIVE CONTROL METHOD, DRIVE CONTROL APPARATUS, STAGE CONTROL METHOD, STAGE CONTROL APPARATUS, EXPOSURE METHOD, EXPOSURE APPARATUS AND MEASURING APPARATUSAbandonedMar 08, 10Feb 24, 11[G01M]

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