NIPPON MINING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

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H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5315282 Magnetoresistance effect elementJan 21, 92May 24, 94[H01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5767235 Anticoagulant hirudin variants and methods for their productionExpiredJan 03, 95Jun 16, 98[A61K]
5587303 Production process of L-amino acids with bacteriaExpiredJul 20, 94Dec 24, 96[C12P]
5474928 Arginine deiminase from a Mycoplasma arginini strainExpiredFeb 25, 94Dec 12, 95[C12N]
5376539 Process for the preparation of epoxides by means of microorganismsExpiredOct 02, 92Dec 27, 94[C12P, C12N]
5236890 Method of producing superconductor of metal oxidesExpiredOct 31, 90Aug 17, 93[H01L]
5198026 Colored zinc powder, its method of production and method for producing colored articleExpiredSep 25, 91Mar 30, 93[C04B, C09C]
5184393 Method of manufacturing flying magnetic headExpiredOct 17, 91Feb 09, 93[G11B]
5135629 Thin film deposition systemExpiredJun 08, 90Aug 04, 92[C23C]
5094787 Method of manufacturing ITO sputtering targetExpiredNov 21, 90Mar 10, 92[C04B, F27D]
5026639 Method to improve mRNA translation and use thereof for production of platelet factor-4ExpiredJan 14, 88Jun 25, 91[C12P, C12N]
4959278 Tin whisker-free tin or tin alloy plated article and coating technique thereofExpiredJun 08, 89Sep 25, 90[C25D, B32B]
4935312 Film carrier having tin and indium plated layersExpiredDec 09, 88Jun 19, 90[B32B, H05K]
4917783 Method for purifying macrocyclic ketonesExpiredMar 31, 88Apr 17, 90[C07C]
4897463 Biologically active peptides which inhibit toxoplasma multiplicationExpiredDec 28, 88Jan 30, 90[C07K]
4877976 Cascade FET logic circuitsExpiredOct 13, 88Oct 31, 89[H03K]
4861917 Process for preparing macrocyclic 2-halogenoketonesExpiredMay 06, 88Aug 29, 89[C07C]
4850664 Connector for optical fiberExpiredJun 09, 86Jul 25, 89[G02B]
4779949 Connector having axially slit end for gripping optical fiberExpiredApr 01, 86Oct 25, 88[G02B]
4573629 Method of production of cladding tube for nuclear fuel elementExpiredAug 10, 81Mar 04, 86[B21D]
4513155 Lubricating oil for diesel enginesExpiredJun 24, 83Apr 23, 85[C10M]

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