Inventor

Takakazu Yamamoto

Inventor

Yokohama, JP

Overview

21→

Patents

1985–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds27%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy12%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%

H01BCables7%

Y10TTechnical subjects covered by former us classification7%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

H01GCapacitors5%

H10KOrganic electric solid-state devices5%

C07CAcyclic or carbocyclic compounds3%

PatentTitleYear

9,640,335'Electrode and electricity storage device'2017 8,945,769'Accumulator material and accumulator device'2015 8,481,674'Polymer, semiconductor film, electrode, electrode active material, electrochemical element and electricity storage device'2013 7,462,683'Dihalide, polymer compound and method for producing the same'2008 7,138,484'Method for producing polymerized hydrocarbon'2006 6,930,166'Polymeric compound'2005 6,197,923'Polymers, method of producing the same and use of the same'2001 5,585,454'Poly(quinone) and preparation and use of same'1996 5,561,206'Electrochromic copolymers including vinyl alcohol or vinyl acetate units'1996 5,548,048'Process for manufacturing alkyl-substituted poly (2,2\'-diyl) bipyridine-5,5\'-diyl'1996 5,540,999'EL element using polythiophene'1996 5,475,082'Use of poly(alkylpyridine-2,5-diyl)'1995 5,437,804'Solid polymer electrolyte'1995 5,436,316'Poly(alkylpyridine-2,5-diyl) and preparation thereof'1995 5,424,381'Alkyl-substituted poly(2,2\'-bipyridine-5,5\'-diyl) and use thereof'1995 5,367,038'Polyisoquinolinediyls and uses thereof'1994 5,310,829'Quaternary poly(iso) quinolinediyl and preparation thereof'1994 5,273,841'Sulfuric acid concentration sensor and lead acid battery equipped with sulfuric acid concentration sensor'1993 5,244,992'Poly(iso)quinolinediyls and preparation and use thereof'1993 4,610,811'Iodine-containing conductive resin composition'1986 4,521,589'Linear poly(3-alkyl-2,5-thienylene) polymer'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2008Patents assigned to TOKYO INST TECH (10)· patent assignee history

1985–2006Based in Yokohama, JP· patent location history

1993–2017Patents assigned to YAMAMOTO TAKAKAZU (6)· patent assignee history

1993–2017Based in Kanagawa, JP· patent location history

2013–2017Patents assigned to HOJO NOBUHIKO (3)· patent assignee history

2013–2017Patents assigned to OHTSUKA YU (3)· patent assignee history

2013–2017Patents assigned to PANASONIC CORP (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKYO INST TECH	10	1985–2008
YAMAMOTO TAKAKAZUself	6	1993–2017
HOJO NOBUHIKO	3	2013–2017
OHTSUKA YU	3	2013–2017
PANASONIC CORP	3	2013–2017

Locations

Location	Patents	Span
Yokohama, JP	14	1985–2006
Kanagawa, JP	7	1993–2017