NTT COMMUNICATIONS CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 7278
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 5442
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04J MULTIPLEX COMMUNICATION 1124
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION157
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0006,952 LOAD DISTRIBUTION APPARATUS, LOAD DISTRIBUTION METHOD AND PROGRAMDec 22, 15Jan 04, 18[H04L, G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8515066 Method, apparatus and program for establishing encrypted communication channel between apparatusesNov 04, 04Aug 20, 13[H04L, G06F, H04K]
8213791 Communication light detecting deviceMay 14, 09Jul 03, 12[H04B]
8091136 Packet transfer device, packet transfer method, and programMar 22, 07Jan 03, 12[H04L, G08B, G08C, G06F, G01R, H04J]
8085938 Secret information management scheme based on secret sharing schemeFeb 10, 05Dec 27, 11[H04L]
7616766 Data division method and device using exclusive or calculationDec 19, 03Nov 10, 09[H04L]
7219159 Plural-routes search method and network system using the sameMay 13, 02May 15, 07[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0169,425 Electronic Mail Delivery System And Electronic Mail Delivery ProgramAbandonedMar 29, 07Jul 01, 10[G06F]
2010/0058,050 DATA KEEPING METHOD, CLIENT APPARATUS, STORAGE DEVICE, AND PROGRAMAbandonedApr 04, 08Mar 04, 10[H04L, G06F]
7318153 Mark information issuing method and systemExpiredApr 17, 01Jan 08, 08[H04L]
7277852 Method, system and storage medium for commercial and musical composition recognition and storageExpiredOct 22, 01Oct 02, 07[G10L]
7069252 Electronic transaction server, client for seller, client for buyer and electronic transaction methodExpiredJan 07, 03Jun 27, 06[]
7035264 Communication network system and method for synchronously controlling path connectionExpiredMar 02, 01Apr 25, 06[H04L]
7002922 Communication network specific charging method and communication network specific charging apparatusExpiredMar 27, 00Feb 21, 06[G01R]
2004/0148,232 Electronic catalog aggregation apparatus for realizing fast and efficient electronic catalog systemAbandonedJan 22, 01Jul 29, 04[G06F]
2004/0128,231 Communication method, carrier apparatus and line lender apparatusAbandonedNov 14, 03Jul 01, 04[G06F]
2004/0083,161 Electronic bidding proxy systemAbandonedJul 30, 03Apr 29, 04[G06F]
2004/0019,702 System for rewriting a VLAN-ID in an Ethernet frame containing VLAN-ID'sAbandonedApr 17, 03Jan 29, 04[G06F]

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