SHOWA DENKO K.K.
Patent Owner
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- 12 1,112 US PATENTS IN FORCE
- 171 US APPLICATIONS PENDING
- Feb 01, 2018 most recent publication
Details
- 1,112 Issued Patents
- 227 Issued in last 3 years
- 142 Published in last 3 years
- 18,853 Total Citation Count
- Nov 08, 1977 Earliest Filing
- 1,776 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
MATTERS
Rank in Class
Intl Class
Technology
MATTERS
Rank in Class
- No Technologies to Display
Top Patents (by citation)
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Patent #
Title
Filing Date
Issue Date
Intl Class
CITATIONS
5186250
Tube for heat exchangers and a method for manufacturing the tube
Apr 29, 91
Feb 16, 93
[F28F]
74
6329667
Nitride semiconductor light emitting device and manufacturing method thereof
Feb 08, 00
Dec 11, 01
[H01L]
54
5254338
External application base or auxiliary agent and external application composition for human being or animal containing the same
Feb 08, 91
Oct 19, 93
[A61K]
53
5665490
Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof
Jun 07, 95
Sep 09, 97
[H01M]
51
5597661
Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof
Jan 30, 95
Jan 28, 97
[H01H]
48
- No Patents to Display
Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
2018/0029,891
CARBON MATERIAL, METHOD FOR MANUFACTURING SAME, AND USE THEREOF
Feb 16, 16
Feb 01, 18
[H01M, C01B]
2018/0016,706
SIC EPITAXIAL WAFER AND METHOD FOR MANUFACTURING SIC EPITAXIAL WAFER
Feb 16, 16
Jan 18, 18
[H01L, C30B]
2018/0019,472
METHOD FOR MANUFACTURING GRAPHITE POWDER FOR NEGATIVE-ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY
Jan 26, 16
Jan 18, 18
[H01M]
2018/0009,665
CARBON MATERIAL, METHOD FOR PRODUCING SAME, AND USE FOR SAME
Feb 08, 16
Jan 11, 18
[H01M]
2018/0009,773
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM
Jul 03, 17
Jan 11, 18
[G11B, C07D, C07C, C10M]
2018/0009,926
RADICAL-POLYMERIZABLE RESIN COMPOSITION, CURING METHOD THEREOF, METHOD OF PRODUCING SAME, USE OF RADICAL-POLYMERIZABLE RESIN COMPOSITION, AND USE METHOD OF THEREOF
Apr 19, 16
Jan 11, 18
[C08J, C04B, C08F, C09D, C08K]
2018/0013,137
Powder, Electrode and Battery Comprising Such a Powder
Oct 15, 15
Jan 11, 18
[C01B, H01M]
2018/0002,562
LOW-TEMPERATURE-CURABLE CROSS-SECTION REPAIR MATERIAL, AND CROSS-SECTION REPAIRING METHOD USING THE SAME
Feb 16, 16
Jan 04, 18
[C04B, C09D, B05D, C08K, E04G]
- No Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9870867
Capacitor anode, solid electrolytic capacitor element, solid electrolytic capacitor, and method for producing capacitor anode
Apr 06, 15
Jan 16, 18
[H01G]
9856190
1, 3-butadiene separating material, and separation method using said separating material
Jul 01, 14
Jan 02, 18
[C07F, C07C, B01J, B01D]
9854670
Transparent electrode and method for producing same
Aug 14, 14
Dec 26, 17
[H01B, C09D, H05K]
9845404
Conductive composition for thin film printing and method for forming thin film conductive pattern
Oct 28, 14
Dec 19, 17
[H01B, C09D, B41F, H05K]
9845999
Liquid-cooled-type cooling device and manufacturing method for same
Nov 07, 12
Dec 19, 17
[B23P, F28F, H01L]
9835325
Evaporative gas generating device, method for producing evaporative gas, hydrogen bromide production device, and method for producing hydrogen bromide
Mar 27, 13
Dec 05, 17
[B01B, F17C, B01J, F22B, C01B, B01D]
9828460
Method for producing conductive polymer and method for producing solid electrolyte capacitor
Jul 25, 13
Nov 28, 17
[C08G, H01G, C25D, C25B]
9818441
Thermally assisted magnetic recording medium and magnetic storage device
Feb 03, 11
Nov 14, 17
[G11B]
- No Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2016/0276,675
ELECTROCATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL
ABAN
May 31, 16
Sep 22, 16
[C01G, H01M]
2016/0243,782
METHOD FOR TREATING CELLULOSE-CONTAINING BIOMASS
ABAN
Sep 09, 14
Aug 25, 16
[B02C, C12P, B30B]
2016/0244,804
METHOD FOR ASSAYING CELLULASE ACTIVITY, SCREENING METHOD USING ASSAYING METHOD, AND HIGH-PERFORMANCE CELLULASE-PRODUCING BACTERIA SELECTED USING SCREENING METHOD
ABAN
Feb 16, 16
Aug 25, 16
[C12N, C12R, C12Q]
2016/0237,616
METHOD FOR TREATING CELLULOSE-CONTAINING BIOMASS
ABAN
Sep 09, 14
Aug 18, 16
[B02C, C12P, C13K, B30B, D21B]
2016/0126,592
NONAQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
ABAN
Feb 03, 14
May 05, 16
[H01M]
2016/0072,336
POWER TRANSMITTER, POWER SUPPLY DEVICE, POWER CONSUMPTION DEVICE, POWER SUPPLY SYSTEM AND METHOD FOR PRODUCING POWER TRANSMITTER
ABAN
Jun 26, 14
Mar 10, 16
[H02J]
2016/0060,193
DICHLOROMETHANE PURIFICATION METHOD AND PROCESS FOR PRODUCING DIFLUOROMETHANE USING THE SAME
ABAN
May 08, 14
Mar 03, 16
[C07C]
2016/0041,649
TRANSPARENT CONDUCTIVE SUBSTRATE PRODUCTION METHOD AND TRANSPARENT CONDUCTIVE SUBSTRATE
ABAN
Mar 25, 14
Feb 11, 16
[G06F, H05K]
2016/0012,946
METHOD OF MANUFACTURING ALLOY FOR R-T-B-BASED RARE EARTH SINTERED MAGNET AND METHOD OF MANUFACTURING R-T-B-BASED RARE EARTH SINTERED MAGNET
ABAN
Jul 01, 15
Jan 14, 16
[H01F, B22F]
2015/0353,962
METHOD OF MANUFACTURING 1,4-BUTANEDIOL AND MICROBE
ABAN
Sep 20, 13
Dec 10, 15
[C12N, C12P]
2015/0357,647
BINDER FOR LITHIUM ION SECONDARY BATTERY ELECTRODES, SLURRY, ELECTRODE, AND LITHIUM ION SECONDARY BATTERY
ABAN
Jan 20, 14
Dec 10, 15
[H01M]
2015/0340,162
CHEMICAL CONVERSION BODY FOR NIOBIUM CAPACITOR POSITIVE ELECTRODE, AND PRODUCTION METHOD THEREFOR
ABAN
Dec 26, 13
Nov 26, 15
[H01G, B22F, C22C]
2015/0322,625
PRETREATMENT METHOD FOR CELLULOSE-CONTAINING BIOMASS, PRODUCTION METHOD FOR SACCHARIFYING BIOMASS COMPOSITION, AND SUGAR PRODUCTION METHOD
ABAN
Nov 19, 13
Nov 12, 15
[C13K, D21B]
2015/0314,367
METHOD OF PRODUCING SILICON-CONTAINING ALUMINUM ALLOY INGOT
ABAN
Nov 28, 13
Nov 05, 15
[C22C, B22D]
2015/0307,905
MANUFACTURING METHOD FOR A BUTANEDIOL, FABRICATION METHOD FOR A MICROBE FOR MANUFACTURING A BUTANEDIOL, AND MICROBE
ABAN
Dec 04, 13
Oct 29, 15
[C12N, C12P]
- No Patents to Display
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