Tomey Technology Corp.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5681463 Portable liquid purifying device having activated carbon filter and micro-porous membrane filterFeb 28, 96Oct 28, 97[C02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6008170 Contact lens cleaning solution and method for cleaning contact lenses using the sameExpiredNov 25, 97Dec 28, 99[C11D]
5977035 Liquid agent for contact lens containing carboxylated amine as a preservative or sterilizing componentExpiredAug 26, 97Nov 02, 99[C11D]
5928606 Device and method for cleaning and disinfecting contact lens using water-absorbing solid soft material carrying disinfectantExpiredSep 23, 97Jul 27, 99[A61L]
5840671 Cleaning solution for contact lens exhibiting excellent detergencyExpiredDec 08, 95Nov 24, 98[C11D]
5820696 Method of cleaning and disinfecting contact lensExpiredJul 31, 96Oct 13, 98[B08B, C11D]
5789463 Ocular lens material and process for producing the sameExpiredSep 03, 97Aug 04, 98[C08F, G02C]
5785767 Cleaning and disinfecting solution for contact lens and method of cleaning and disinfecting contact lens using the solutionExpiredOct 03, 96Jul 28, 98[B08B, C11D]
5698636 Ocular lens material and process for producing the sameExpiredFeb 05, 97Dec 16, 97[C08F]
5577738 Outside type mechanical seal deviceExpiredJan 19, 96Nov 26, 96[F16J]
5449442 Cleaning and disinfecting method for contact lensExpiredSep 29, 94Sep 12, 95[C25B, C11D]

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