Seisan Kaihatsu Kagaku Kenkyusho

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 5357
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 3135
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 272
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5670458 Oxide superconductor and method for producing the sameFeb 07, 96Sep 23, 97[H01L, C04B, H01B]
5514469 Magnetoresistance effect elementJan 17, 95May 07, 96[G11B, B32B]
5462795 Magnetoresistance effect elementDec 17, 92Oct 31, 95[H01L, G11B, B32B]
5432661 Magnetoresistance effect elementFeb 03, 94Jul 11, 95[G11B]
5350606 Single crystal ferroelectric barium titanate filmsJun 09, 93Sep 27, 94[C23C, B05D]
5315282 Magnetoresistance effect elementJan 21, 92May 24, 94[H01L]
5243316 Magnetoresistance effect elementJan 22, 92Sep 07, 93[H01L]
5229035 Bi-Pb-Sr-Ca-Cu-O system superconductorsMay 28, 91Jul 20, 93[C01B, H01L, H01B, C01G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5552073 Ferromagnetic fine particles of .epsilon. iron carbide and method for producing the sameExpiredSep 03, 93Sep 03, 96[C01B]
5362711 Method for producing single crystal superconducting LnA.sub.2 Cu.sub.3 O.sub.7-x filmsExpiredApr 27, 93Nov 08, 94[B05D]
5252390 Laminated filmExpiredJun 28, 91Oct 12, 93[B32B]
5250657 Process for preparing polyarylene thioetherExpiredJan 29, 91Oct 05, 93[C08G]
5173475 Bi-Pb-Sr-Ba-Ca-Cu-O system superconductorExpiredJun 29, 89Dec 22, 92[H01L, C01G, C01F]
5061687 Laminated film and method for producing the sameExpiredNov 29, 89Oct 29, 91[B32B]
5001018 Fe-Co base magnetic film and process for producing the sameExpiredSep 29, 89Mar 19, 91[H01F]

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