Nitto Electric Industrial Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5714029 Process for working a semiconductor waferJan 06, 92Feb 03, 98[B32B]
5637395 Thin adhesive sheet for working semiconductor wafersFeb 14, 94Jun 10, 97[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5151271 Pressure-sensitively adhering composite medicinal preparationExpiredOct 24, 89Sep 29, 92[A61F]
5089071 Process for producing a multilayered ceramic structure using an adhesive filmExpiredMay 01, 90Feb 18, 92[B32B]
5059628 Medical composition for percutaneous administrationExpiredMar 14, 90Oct 22, 91[A01N]
4963494 Enzyme immobilization in an anisotropic ultrafiltration membraneExpiredMar 06, 89Oct 16, 90[C12N, C12M]
4962043 Simplified detection implementExpiredApr 03, 89Oct 09, 90[G01N]
4954343 Dermal pharmaceutical preparationsExpiredSep 12, 89Sep 04, 90[A61F]
4935175 Mold cleaning composition, sheet for cleaning mold, and method for cleaning mold using said cleaning sheetExpiredDec 11, 87Jun 19, 90[B32B]
4921703 Vermin exterminating element and vermin exterminating method using itExpiredSep 21, 87May 01, 90[A61K]
4916009 Flexible printing baseExpiredJul 27, 88Apr 10, 90[B32B]
4903119 Semi-conductor deviceExpiredMar 27, 89Feb 20, 90[H01L]
4893658 FRP pipe with threaded endsExpiredMay 26, 88Jan 16, 90[F16L]
4880416 Dermal bandage and dermal preparationExpiredOct 31, 88Nov 14, 89[A61F]
4880895 Polyimide film-forming polyamide acid solutionExpiredMar 31, 87Nov 14, 89[C08G]
4876330 Colorless transparent polyimide shaped article and process for producing the sameExpiredMar 10, 86Oct 24, 89[C08G]
4874834 Colorless transparent polyimide shaped article and process for producing the sameExpiredMar 06, 87Oct 17, 89[C08G]
4869979 Conducting organic polymer batteryExpiredAug 08, 88Sep 26, 89[H01M]
4865677 Sticking and cutoff device for adhering adhesive tape on thin articlesExpiredOct 07, 87Sep 12, 89[B26D, G05G, B32B]
4863952 Method of promoting percutaneous drug absorption with 2-pyrrolidin-2-one 5-carboxylic acids and esters thereofExpiredOct 04, 85Sep 05, 89[A61K]
4864056 Optically active hydroxy estersExpiredJul 21, 88Sep 05, 89[C07C]
4857192 In phase corrugated plate membrane module supportExpiredAug 27, 87Aug 15, 89[B01D]

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