LexDanaLexDanabeta
Inventor

Takashi Higono

Inventor
Wako, JP

Overview

7→
Patents
2001–2014
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 7 as inventor

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

H01Gprimary
H01GCapacitors28%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution28%
Y02TClimate change mitigation technologies related to transportation16%
C07DHeterocyclic compounds12%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy12%
C01BNon-metallic elements4%
PatentTitleYear
8,747,690'Quaternary ammonium salt and composition, and electrochemical device'20148,366,956'Quaternary ammonium salt and composition, and electrochemical device'20137,834,197'Quaternary ammonium salt, electrolyte, and electrochemical device'20106,980,415'Electrolyte for electrical double layer capacitor and electrical double layer capacitor using the electrolyte'20056,491,848'Method of pretreating activated carbon for polarized electrode'20026,414,837'Electrochemical capacitor'20026,301,093'Electrochemical capacitor'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2002Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history
2001–2005Based in Wako, JP· patent location history
2010–2014Patents assigned to OTSUKA CHEMICAL CO LTD (3)· patent assignee history
2010–2014Patents assigned to STELLA CHEMIFA CORP (3)· patent assignee history
2010–2013Based in Utsunomiya, JP· patent location history
2013–2014Patents assigned to HIGONO TAKASHI (2)· patent assignee history
2013–2014Patents assigned to HIRANO KAZUTAKA (2)· patent assignee history
2014Based in Utsonomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD32001–2002
OTSUKA CHEMICAL CO LTD32010–2014
STELLA CHEMIFA CORP32010–2014
HIGONO TAKASHIself22013–2014
HIRANO KAZUTAKA22013–2014
Locations
LocationPatentsSpan
Wako, JP42001–2005
Utsunomiya, JP22010–2013
Utsonomiya, JP12014