TANAKA CHEMICAL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 12142
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 336
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 120

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0069,236 LITHIUM-IRON-MANGANESE-BASED COMPOSITE OXIDE AND LITHIUM-ION SECONDARY BATTERY USING SAMEFeb 09, 16Mar 08, 18[H01M, C01G, C01F]
2017/0187,031 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, AND LITHIUM SECONDARY BATTERYMay 27, 15Jun 29, 17[H01M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7585432 High density cobalt-manganese coprecipitated nickel hydroxide and process for its productionNov 10, 04Sep 08, 09[H01M, C01G]
7585435 High density cobalt-manganese coprecipitated nickel hydroxide and process for its productionOct 05, 05Sep 08, 09[H01M, C01G]
7407521 Process for producing nickel oxyhydroxide by electrolytic oxidationJan 30, 03Aug 05, 08[H01M]
7344803 Alkaline primary batteryFeb 26, 02Mar 18, 08[H01M]
6551744 Positive electrode active material and non-aqueous electrolyte secondary battery containing the sameNov 28, 00Apr 22, 03[H01M]
6040007 Nickel hydroxide particles having an .alpha.- or .beta.-cobalt hydroxide coating layer for use in alkali batteries and a process for producing the nickel hydroxideMay 19, 97Mar 21, 00[B05D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0225,031 LITHIUM-RICH LITHIUM METAL COMPLEX OXIDEAbandonedSep 26, 12Aug 14, 14[H01M]
8419983 Nickel oxide-stabilized zirconia composite oxide, process for production thereof, and anode for solid oxide type fuel cell comprising the composite oxideWithdrawnAug 07, 09Apr 16, 13[H01M, H01B, C01G]
2006/0141,336 Electrode and electrolyte composite for fuel cell, and method for manufacture thereofAbandonedOct 21, 03Jun 29, 06[B05D, H01M]
2006/0111,470 Metal resin composite and process for producing the sameAbandonedOct 21, 03May 25, 06[C08K]
2002/0053,663 High density cobalt-manganese coprecipitated nickel hydroxide and process for its productionAbandonedNov 02, 01May 09, 02[H01B]
6015637 Process of producing lithium nickel oxide and nonaqueous secondary battery using the sameExpiredSep 30, 97Jan 18, 00[H01M]
5985488 Process for preparing positive electrode active material, and nonaqueous secondary battery utilizing the sameExpiredMar 25, 97Nov 16, 99[H01M, C01G]

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