Ebara Research Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS272
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6062819 Turbomachinery and method of manufacturing the sameOct 23, 97May 16, 00[F04D]
5685696 Centrifugal or mixed flow turbomachinesFeb 01, 95Nov 11, 97[F04D]
5322674 Method of treating waste gases containing halogen compoundsDec 21, 92Jun 21, 94[C01B]
5225000 Method for cleaning closed spaces with ultraviolet raysOct 29, 91Jul 06, 93[B08B]
5190627 Process for removing dissolved oxygen from water and system thereforApr 24, 92Mar 02, 93[C01B, C02F]
5186213 29Jun 10, 91Feb 16, 93[F15B]
5154733 Photoelectron emitting member and method of electrically charging fine particles with photoelectronsMar 05, 91Oct 13, 92[B03C]
5142175 Magnetic bearing systemSep 06, 91Aug 25, 92[H02K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7029518 Method and apparatus for the preparation of clean gasesExpiredMar 15, 05Apr 18, 06[B01D]
6911064 Method and apparatus for the preparation of clean gasesExpiredDec 29, 03Jun 28, 05[B01D]
6733570 Method and apparatus for the preparation of clean gasesExpiredJun 02, 95May 11, 04[B01D]
6340381 Method and apparatus for the preparation of clean gasesExpiredJul 20, 00Jan 22, 02[B01D]
6099731 Method and apparatus for treating waterExpiredSep 11, 98Aug 08, 00[C02F]
5922105 Method and apparatus for the preparation of clean gasesExpiredMar 19, 98Jul 13, 99[B01D]
5723029 Photo-electric chemical apparatus using carbon cluster electrodeExpiredMar 28, 97Mar 03, 98[H01L]
5614663 Cantilever for use with atomic force microscope and process for the production thereofExpiredMay 24, 95Mar 25, 97[G01B]
5594166 Cantilever for use with atomic force microscope and process for the production thereofExpiredSep 22, 94Jan 14, 97[G01B]
5380503 StockerExpiredMar 11, 93Jan 10, 95[B01J, A62B, B01D]
5294280 Gas measuring device and processing apparatus provided with the gas measuring deviceExpiredJun 26, 92Mar 15, 94[H01L]
5194805 Inductance-type displacement sensor for eliminating inaccuracies due to external magnetic fieldsExpiredDec 26, 90Mar 16, 93[G01B, G01R]
5094825 Process for treating waste gases containing ClF.sub.3ExpiredJan 29, 91Mar 10, 92[B01D, C01D]
5073268 Process and system for purifying pure water or ultrapure waterExpiredDec 11, 90Dec 17, 91[B01D]
5060805 Photoelectron emitting memberExpiredJun 15, 90Oct 29, 91[B03B]
4946345 Turbo-molecular pumpExpiredMar 16, 89Aug 07, 90[F01D]
4942321 Radial magnetic bearing systemExpiredOct 05, 88Jul 17, 90[F16C]
4920290 Active magnetic bearing apparatusExpiredNov 01, 88Apr 24, 90[F16C]
4910449 System for preventing unbalance vibrations and synchronous disturbance vibrationsExpiredMay 17, 88Mar 20, 90[G05D]
4906257 Method of and apparatus for treating waste gas from semiconductor manufacturing processExpiredSep 23, 88Mar 06, 90[B01D]

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