Inventor
TAKEUCHI MASATAKA
JP48 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI MASATAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHOWA DENKO KK
33 patentsUS6096456AAug 1, 2000
Film for a separator of electrochemical apparatus, and production method and use thereof
SHOWA DENKO KK156 citations99
US7396598B2Jul 8, 2008
Light emitting material and organic light-emitting device
SHOWA DENKO KK884 citations98
US7250226B2Jul 31, 2007
Phosphorescent compound, a phosphorescent composition and an organic light-emitting device
SHOWA DENKO KK966 citations98
US6562513B1May 13, 2003
Thermopolymerizable composition for battery use
SHOWA DENKO KK80 citations98
US5597661AJan 28, 1997
Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof
SHOWA DENKO KK110 citations96
US6190805B1Feb 20, 2001
Polymerizable compound, solid polymer electrolyte using the same and use thereof
SHOWA DENKO KK79 citations95
US5874184AFeb 23, 1999
Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof
SHOWA DENKO KK77 citations94
US5665490ASep 9, 1997
Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof
SHOWA DENKO KK78 citations94
US8003257B2Aug 23, 2011
Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery
SHOWA DENKO KK20 citations92
US7763365B2Jul 27, 2010
Light emitting material and organic light-emitting device
SHOWA DENKO KK19 citations92
US6316563B2Nov 13, 2001
Thermopolymerizable composition and use thereof
SHOWA DENKO KK43 citations92
US6306509B2Oct 23, 2001
Ion conductive laminate and production method and use thereof
SHOWA DENKO KK32 citations92
US4740436AApr 26, 1988
Secondary battery
SHOWA DENKO KK38 citations92
US5051325ASep 24, 1991
Secondary battery
SHOWA DENKO KK36 citations89
US9276257B2Mar 1, 2016
Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery
SHOWA DENKO KK6 citations84
US7572553B2Aug 11, 2009
High density electrode and battery using the electrode
SHOWA DENKO KK9 citations84
US4762644AAug 9, 1988
Electroconductive polymer solution and manufacture of electroconductive article therefrom
SHOWA DENKO KK14 citations74
US9543583B2Jan 10, 2017
Composite electrode material
SHOWA DENKO KK2 citations73
US7022264B2Apr 4, 2006
Polymerizable composition and use thereof
SHOWA DENKO KK10 citations73
US6878492B2Apr 12, 2005
Polymerizable composition and use thereof
SHOWA DENKO KK11 citations73
US10109848B2Oct 23, 2018
Negative electrode material for lithium ion batteries and use thereof
SHOWA DENKO KK4 citations69
US6720109B1Apr 13, 2004
Secondary battery and material therefor
SHOWA DENKO KK8 citations69
US7736757B2Jun 15, 2010
Light emitting material and organic light-emitting device
SHOWA DENKO KK3 citations62
US7635527B2Dec 22, 2009
Light emitting material and organic light-emitting device
SHOWA DENKO KK1 citations62
US7226695B2Jun 5, 2007
Method for producing composite material for electrode comprising quinoxaline based polymer, such material, electrode and battery using the same
SHOWA DENKO KK5 citations60
US10693135B2Jun 23, 2020
Method for producing composite, and negative electrode material for lithium ion battery
SHOWA DENKO KK1 citations59
US11031587B2Jun 8, 2021
Negative electrode material for lithium-ion batteries including non-flaky artificial graphite including silicon-containing particles, artificial graphite particles and carbonaceous material
SHOWA DENKO KK1 citations58
US9368796B2Jun 14, 2016
Graphite material, carbon material for battery electrode, and battery
SHOWA DENKO KK0 citations50
US9614218B2Apr 4, 2017
Composite carbon particle and lithium-ion secondary cell using same
SHOWA DENKO KK0 citations49
US9583760B2Feb 28, 2017
Method for producing negative electrode material for lithium ion batteries
SHOWA DENKO KK1 citations49
US9059467B2Jun 16, 2015
Method for producing electrode material for lithium ion batteries
SHOWA DENKO KK1 citations49
US9299978B2Mar 29, 2016
Negative electrode material for lithium battery
SHOWA DENKO KK1 citations45
US9284192B2Mar 15, 2016
Method for producing electrode material for lithium ion batteries
SHOWA DENKO KK0 citations39
SOTOWA CHIAKI
3 patentsUS8388922B2Mar 5, 2013
Negative electrode material for lithium battery, and lithium battery
SOTOWA CHIAKI12 citations82
US8999580B2Apr 7, 2015
Composite graphite particles and lithium rechargeable battery using the same
SOTOWA CHIAKI2 citations61
US8841029B2Sep 23, 2014
Negative electrode for lithium secondary battery, method for producing carbon-based negative electrode active material, lithium secondary battery and use thereof
SOTOWA CHIAKI0 citations50
UMICORE NV
2 patentsUS11588148B2Feb 21, 2023
Powder, electrode and battery comprising such a powder
UMICORE NV0 citations59
US10483529B2Nov 19, 2019
Composite powder for use in an anode of a lithium ion battery, method of preparing such a composite powder and method for analysing such a composite powder
UMICORE NV0 citations49