YAMATO SCIENTIFIC CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 120

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5919339 Rotary evaporatorMar 14, 97Jul 06, 99[B01D]
5431339 Method and apparatus for controlling temperatureNov 29, 93Jul 11, 95[F23N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5092959 Organic solvent spray dryer deviceExpiredAug 02, 90Mar 03, 92[B01D]
4828395 Continuous flow type homogenizerExpiredDec 13, 85May 09, 89[B02C, B01F]
D300727 Temperature and humidity measuring deviceExpiredMar 18, 86Apr 18, 89[]
4692598 Temperature controller systemExpiredFeb 14, 86Sep 08, 87[H05B]
4594161 Reverse osmosis sealing meansExpiredOct 05, 83Jun 10, 86[B01D]
4575404 Pure water tank assembly for water distillation equipmentExpiredSep 23, 83Mar 11, 86[B01D]
4563272 DemineralizerExpiredSep 06, 83Jan 07, 86[C02B]
4557184 Clean benchExpiredOct 13, 83Dec 10, 85[F23J]
4548128 Fume hoodExpiredDec 28, 83Oct 22, 85[F23J]
4540470 Distilled water production deviceExpiredMay 18, 84Sep 10, 85[B01D]
4522684 Elevational operating device for a rotary evaporatorExpiredAug 01, 83Jun 11, 85[B01D]

Top Inventors for This Owner

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