Osaka Sanso Kogyo Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 5201
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6024922 Method of controlling an oxygen analyzer of the Hersch galvanic typeJul 25, 96Feb 15, 00[G01N]
5827949 Method and system for measuring external leakageNov 17, 97Oct 27, 98[G01M, G01N]
5667133 Method and apparatus for forming an oxide passivation film on a weldNov 23, 94Sep 16, 97[B23K]
5615954 Apparatus for measuring the dew point or frost point of a gas having low water contentDec 21, 94Apr 01, 97[G01N]
5482371 Method and apparatus for measuring the dew point and/or frost point of a gas having low water contentAug 05, 94Jan 09, 96[G01N]
5470154 Method of cleaning the reflector mirror in an optical dew point meter and an optical dew point meter equipped with a cleaning deviceSep 01, 94Nov 28, 95[B08B, G01N]
5407492 Process for forming passivated filmJun 23, 93Apr 18, 95[C23C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7025870 Method for analyzing the oxygen concentration of a gasExpiredSep 03, 02Apr 11, 06[G01N]
6165275 Atmospheric gas generator for heat treatmentExpiredSep 11, 98Dec 26, 00[C23C]
5971609 Method of measuring the dew point or frost point of a gas having low water contentExpiredApr 09, 97Oct 26, 99[G01N]
5393403 Probe using a mixed sub-electrode for measuring the activity of carbon in molton ironExpiredMay 25, 93Feb 28, 95[G01N]
5385611 Apparatus for forming resin coating on surface of article having three-dimensional structureExpiredMar 04, 93Jan 31, 95[B05C, F26B]
5295621 Method of soldering using a special atmospheric gasExpiredDec 10, 92Mar 22, 94[H05K]
5052818 Method of and apparatus for measuring very low water content in gasExpiredMay 18, 89Oct 01, 91[G01N]
4972677 Method of cleaning wafers or the likeExpiredFeb 09, 89Nov 27, 90[F17C]
4960568 Oxygen analyzerExpiredSep 14, 88Oct 02, 90[G01N]
4830727 Composite probe for measuring the concentration of an impurity element in molten ironExpiredMay 16, 88May 16, 89[G01N]
4781735 Enrichment in oxygen gasExpiredDec 15, 87Nov 01, 88[B01D]
4732577 Process for separating carbon monoxide having substantially constant purityExpiredApr 14, 87Mar 22, 88[B01D]
RE32590 Methods for obtaining high-purity carbon monoxideExpiredOct 23, 86Feb 02, 88[B01D]
4539020 Methods for obtaining high-purity carbon monoxideExpiredJun 18, 84Sep 03, 85[B01D]

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