LexDanaLexDanabeta
Inventor

Masataka Takeuchi

Inventor
Chiba, JP

Overview

46→
Patents
1988–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 46 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
Y02PClimate change mitigation technologies in the production or processing of goods8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
Y10TTechnical subjects covered by former us classification6%
H01GCapacitors6%
C01BNon-metallic elements5%
H01BCables4%
Y02TClimate change mitigation technologies related to transportation4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,693,135Method for producing composite, and negative electrode material for lithium ion battery202010,483,529Composite 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 powder201910,109,848Negative electrode material for lithium ion batteries and use thereof20189,905,839'Composite electrode material'20189,614,218'Composite carbon particle and lithium-ion secondary cell using same'20179,583,760'Method for producing negative electrode material for lithium ion batteries'20179,543,583'Composite electrode material'20179,531,008'Positive electrode for a lithium battery and lithium battery employing the same'20169,419,281'Carbon negative electrode material for lithium secondary battery, production method thereof and lithium secondary battery using the same'20169,368,796'Graphite material, carbon material for battery electrode, and battery'20169,299,978'Negative electrode material for lithium battery'20169,284,192'Method for producing electrode material for lithium ion batteries'20169,276,257'Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery'20169,240,596'Composite electrode material'20169,059,467'Method for producing electrode material for lithium ion batteries'20158,999,580'Composite graphite particles and lithium rechargeable battery using the same'20158,841,029'Negative electrode for lithium secondary battery, method for producing carbon-based negative electrode active material, lithium secondary battery and use thereof'20148,747,800'Graphite material, carbon material for battery electrode, and battery'20148,685,362'Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery'20148,652,361'Composite electrode material'20148,388,922'Negative electrode material for lithium battery, and lithium battery'20138,080,228'Graphite material, carbon material for battery electrode, and battery'20118,003,257'Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery'20117,763,365'Light emitting material and organic light-emitting device'20107,736,757'Light emitting material and organic light-emitting device'20107,635,527'Light emitting material and organic light-emitting device'20097,572,553'High density electrode and battery using the electrode'20097,396,598'Light emitting material and organic light-emitting device'20087,250,226'Phosphorescent compound, a phosphorescent composition and an organic light-emitting device'20077,226,695'Method for producing composite material for electrode comprising quinoxaline based polymer, such material, electrode and battery using the same'20077,022,264'Polymerizable composition and use thereof'20066,878,492'Polymerizable composition and use thereof'20056,720,109'Secondary battery and material therefor'20046,562,513'Thermopolymerizable composition for battery use'20036,337,153'Sealed non-aqueous electrolyte cell having a casing of a sheet of laminated material'20026,316,563'Thermopolymerizable composition and use thereof'20016,306,509'Ion conductive laminate and production method and use thereof'20016,190,805'Polymerizable compound, solid polymer electrolyte using the same and use thereof'20016,096,456'Film for a separator of electrochemical apparatus, and production method and use thereof'20005,874,184'Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof'19995,665,490'Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof'19975,597,661'Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof'19975,051,325'Secondary battery'19914,803,138'Nonaqueous secondary battery'19894,762,644'Electroconductive polymer solution and manufacture of electroconductive article therefrom'19884,740,436'Secondary battery'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2020Patents assigned to SHOWA DENKO KK (42)· patent assignee history
1988–2016Based in Kawasaki, JP· patent location history
1991–2020Based in Tokyo, JP· patent location history
1997–2010Based in Chiba, JP· patent location history
2009–2019Based in Kanagawa, JP· patent location history
2011–2016Patents assigned to TAKEUCHI MASATAKA (10)· patent assignee history
2011–2016Patents assigned to SUDOH AKINORI (4)· patent assignee history
2013–2016Patents assigned to SOTOWA CHIAKI (8)· patent assignee history
2014–2018Based in Zama, JP· patent location history
2017–2020Patents assigned to UMICORE NV (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA DENKO KK421988–2020
TAKEUCHI MASATAKAself102011–2016
SOTOWA CHIAKI82013–2016
SUDOH AKINORI42011–2016
UMICORE NV42017–2020
Locations
LocationPatentsSpan
Chiba, JP181997–2010
Tokyo, JP121991–2020
Kanagawa, JP72009–2019
Kawasaki, JP41988–2016
Zama, JP32014–2018