NTT ADVANCED TECHNOLOGY CORPORATION

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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 6199
 
  
 
A47L DOMESTIC WASHING OR CLEANING 258
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
0899 MISCELLANEOUS27
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1109
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127
 
  
 
H01S DEVICES USING STIMULATED EMISSION191

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0067,268 Optical Connector Cleaning ToolFeb 08, 16Mar 08, 18[G02B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9753231 Optical connector cleaning tool and optical connector end face observation systemMar 09, 15Sep 05, 17[G01M, G02B]
9530610 Blanking aperture array device for multi-beams, and fabrication method of blanking aperture array device for multi-beamsNov 30, 15Dec 27, 16[H01J, G03F]
9211627 Polishing apparatusFeb 09, 12Dec 15, 15[B24B]
8893346 Optical connector cleanerJan 17, 13Nov 25, 14[B08B, A47L, G02B]
8699542 Information leakage prevention apparatus and methodJul 16, 10Apr 15, 14[H04B]
D687278 Cleaning device for optical connectorsMar 02, 11Aug 06, 13[0899]
D686182 Audio equipment for audio teleconferencesDec 16, 11Jul 16, 13[1405]
8402587 Optical connector cleaning toolMar 19, 09Mar 26, 13[B08B]
D663723 Microphone for audio teleconferencesDec 16, 11Jul 17, 12[1401]
7824109 Optical connectorAug 30, 06Nov 02, 10[G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8120930 Rush current reduction circuit and electric applianceExpiredOct 19, 06Feb 21, 12[H02M]
7091421 Linear object identification tag, and installation instrument and installation method for same, linear object with connectorExpiredJan 14, 03Aug 15, 06[G09F]
7088952 APPARATUS FOR TRANSMITTING PROGRAM INFORMATION, COMMUNICATING SYSTEM, METHOD OF TRANSMITTING PROGRAM INFORMATION, METHOD OF INSTRUCTING PROGRAM RECORDING OPERATION, AND METHOD OF INSTRUCTING PROGRAM PURCHASING OPERATIONExpiredSep 01, 00Aug 08, 06[H04N]
2006/0151,197 Linear object identification tag, and installation instrument and installation method for same, linear object with connectorAbandonedMar 08, 06Jul 13, 06[H01B]
6810552 Cleaning tool for optical connectorExpiredMar 28, 02Nov 02, 04[B08B]
2004/0165,181 Method and device for detecting flaw of workAbandonedJan 06, 04Aug 26, 04[G01N]
6779931 Optical fiber connecting element and alignment sleeveExpiredNov 04, 02Aug 24, 04[G02B]
6758693 Optical active connector plug for LAN and its connector portExpiredAug 22, 02Jul 06, 04[H01R]
6703635 Method and apparatus for measuring the level of liquid using optical fiber strain gaugeExpiredMar 08, 01Mar 09, 04[G01B, G01F]
6681437 Cleaning tool for optical fiber connectorsExpiredApr 27, 00Jan 27, 04[A47L]
6627008 Grooved substrates for multifiber optical connectors and for alignment of multiple optical fibers and method for production thereofExpiredMay 05, 00Sep 30, 03[C22C]
6625251 Laser plasma x-ray generation apparatusExpiredMar 18, 02Sep 23, 03[G21K]
6619857 Cleaning tool for optical connectorExpiredAug 09, 02Sep 16, 03[A47L, G02B]
6591041 Optical fiber coupler, manufacturing method and apparatus thereofExpiredMar 29, 01Jul 08, 03[G02B]
6579620 Water-repellent coating and coating filmExpiredNov 14, 01Jun 17, 03[C09K, C08L, B32B]
2003/0097,559 Qualification authentication method using variable authentication informationAbandonedNov 13, 02May 22, 03[H04L]
6552283 Activation flow switch for tankless water heatersExpiredJan 24, 01Apr 22, 03[H01H]
6541758 Liquid-level gaugeExpiredJul 24, 01Apr 01, 03[G01J, G02B, G01F]
6509124 Method of producing diamond film for lithographyExpiredNov 06, 00Jan 21, 03[G21K, G03F]
2003/0012,518 Optical fiber coupler receptacle memberAbandonedJul 12, 02Jan 16, 03[G02B]

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