TOHO KASEI CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
H01T SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES 125

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0349,500 POLARIZED RESIN FILM AND PROCESS FOR PRODUCING SAMEDec 27, 13Dec 03, 15[G01N, H01T]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9865996 Polarized resin film and process for producing sameDec 27, 13Jan 09, 18[C08J, G01N, H01T]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7377053 Method and device for drying substrateExpiredJan 17, 00May 27, 08[F26B]
7107701 Substrate drying method and apparatusExpiredJan 21, 03Sep 19, 06[B08B]
2006/0188,728 Material for heat-resistant electret and heat-resistant electretAbandonedJul 21, 04Aug 24, 06[C08F, B32B]
2006/0083,885 Endless belt and method of manufacturing the sameAbandonedDec 09, 05Apr 20, 06[B32B]
6962007 Method and device for drying substrateExpiredAug 10, 99Nov 08, 05[F26B]
6904702 Method and apparatus for drying substrateExpiredMay 15, 03Jun 14, 05[F26B]
2005/0047,839 Belt, magnetic roller, method for producing thereof, and image forming apparatus using the sameAbandonedJan 06, 04Mar 03, 05[G03G]
2004/0166,270 Endless belt and method of manufacturing the endless beltAbandonedDec 22, 03Aug 26, 04[B32B]
6589386 Device for processing waferExpiredAug 11, 00Jul 08, 03[H01L]
6435570 Resin pipe jointExpiredMay 04, 01Aug 20, 02[F16L]
6219936 Wafer drying device and methodExpiredNov 23, 99Apr 24, 01[F26B]

Top Inventors for This Owner

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