SEIKOH GIKEN CO., LTD.

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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 61144
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 1650
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 8117
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 6127
 
  
 
1303 EQUIPMENT FOR DISTRIBUTION OR CONTROL OF ELECTRIC POWER467
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 3156
 
  
 
G09F DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS 237
 
  
 
A47L DOMESTIC WASHING OR CLEANING 159
 
  
 
B02B PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE 16
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9459413 Optical fiber connector cleanerMar 14, 14Oct 04, 16[B08B, G02B]
9366827 Optical connector assembly and optical connector adapter with shutterAug 31, 15Jun 14, 16[G02B]
9360637 Optical connector plugFeb 19, 15Jun 07, 16[G02B]
9193116 Method of manufacturing hybrid lens unitAug 06, 12Nov 24, 15[B29D]
9164244 Optical connector plugSep 06, 11Oct 20, 15[G02B]
8936400 Optical connector adapter with shutterJan 28, 14Jan 20, 15[G02B]
8891166 Polarization dependent type optical isolatorAug 06, 09Nov 18, 14[G02B, G02F]
8861100 Imaging lensSep 06, 12Oct 14, 14[G02B]
8794851 Optical connector adapter with shutterJul 27, 11Aug 05, 14[G02B]
8632258 Optical connector adapter with shutterJul 27, 11Jan 21, 14[G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0349,083 CODE PLATE OF OPTICAL ENCODERAbandonedNov 08, 13Nov 27, 14[G01D]
2011/0217,007 OPTICAL CONNECTOR KITAbandonedMar 03, 11Sep 08, 11[G02B]
7664344 Electro-optic modulatorExpiredSep 14, 06Feb 16, 10[G02F]
2009/0232,930 Disk Molding Mold, Mirror Surface Disk, and Method of Manufacturing Mirror Surface DiskAbandonedMar 12, 07Sep 17, 09[B29C]
2009/0191,444 FUEL CELL BIPOLAR PLATE AND METHOD FOR PRODUCING THE SAMEAbandonedNov 18, 08Jul 30, 09[B29C, H01M]
2009/0116,020 BIOSENSOR, METHOD FOR PRODUCING THE SAME AND SENSOR MEASUREMENT SYSTEMAbandonedOct 29, 08May 07, 09[B05D, G01N]
2009/0117,441 Molding Die for Fuel Cell Bipolar Plate, Manufacturing Method of Fuel Cell Bipolar Plate, and Fuel Cell Bipolar PlateAbandonedMay 25, 06May 07, 09[C01B, B28B, H01M]
2009/0117,315 Disc-molding mold, mirror-surface disc, and method for producing mold for disc moldingAbandonedMay 17, 06May 07, 09[B32B]
2009/0074,904 Mold for forming disc, method for manufacture same, and mold partsAbandonedMay 17, 06Mar 19, 09[B29C]
2009/0041,881 Mold Device and Mirror PlateAbandonedNov 21, 06Feb 12, 09[B29C]
7476279 Cleaning tool for a connecting end face of an optical connecting part and methodExpiredDec 03, 04Jan 13, 09[B08B]
2007/0275,115 Mold For Molding Disk, Mirror-Surface Disk, And Molded ProductAbandonedMar 30, 05Nov 29, 07[B28B]
7270535 Disc-molding mold, molded product, molding machine and disk-shaped memberExpiredMar 31, 04Sep 18, 07[B29C]
2007/0176,311 Mold for molding disk, adjustment member, and method of molding disk substrateAbandonedMar 07, 05Aug 02, 07[B29C, B29D]
7203411 Thermoopic type variable optical attenuator and array type variable optical attentuator using thisExpiredAug 10, 04Apr 10, 07[G02B]
7178988 Optical connector plug and method for assembling sameExpiredJul 15, 04Feb 20, 07[G02B]
7169026 End face polishing apparatusExpiredOct 04, 04Jan 30, 07[B24B]
2007/0019,911 Electrode forming method for a polymer optical waveguideAbandonedJun 30, 06Jan 25, 07[G02B]
7165894 Polishing fixtureExpiredMar 04, 04Jan 23, 07[G02B]
2006/0210,232 Planar waveguide-based variable optical attenuatorAbandonedMar 10, 06Sep 21, 06[G02B]

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