SEKIYUSHIGEN KAIHATSU KABUSHIKI KAISHA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 179

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8057744 Bubble column-type Fischer-Tropsch synthesis slurry bed reaction systemDec 14, 05Nov 15, 11[F27B, B01J]
7422907 Process for measuring mercury concentration within hydrocarbonsFeb 04, 05Sep 09, 08[G01N]
7393470 Process for producing synthesis gas for the fischer-tropsch synthesis and producing apparatus thereofMar 25, 05Jul 01, 08[C01B]
6423665 Catalyst for reformingMar 29, 00Jul 23, 02[B01J]
5750821 Method for oxidative coupling of methane comprising catalytic crackingNov 21, 95May 12, 98[C07C]
5736107 Apparatus for oxidative coupling of methaneJan 28, 97Apr 07, 98[F27B]
5508616 Apparatus and method for determining parameters of formations surrounding a borehole in a preselected directionNov 20, 93Apr 16, 96[G01V]
5354936 Method for preparing ethane and ethylene from methaneMar 26, 93Oct 11, 94[C07C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6726853 Process for producing synthetic gas employing catalyst for reformingExpiredMay 21, 02Apr 27, 04[C07C]
5216624 Automated fossil-reflectance measurement apparatus and methodsExpiredJan 23, 92Jun 01, 93[G06F]
5049736 Apparatus for measurement of geological age by measuring zirconium colorExpiredAug 13, 90Sep 17, 91[H01J, G01J]
4754642 High temperature fluid flow speed detection apparatusExpiredAug 04, 86Jul 05, 88[E21B]
4725783 Cable connection head for a well logging cable useful at high temperaturesExpiredAug 04, 86Feb 16, 88[H02G, E21B, G01V]

Top Inventors for This Owner

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