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Inventor

Tsuyoshi Iijima

Inventor
Tokyo, JP

Overview

15→
Patents
2003–2014
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 15 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 energy30%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution30%
Y02PClimate change mitigation technologies in the production or processing of goods26%
Y10TTechnical subjects covered by former us classification4%
A63FCard, board, or roulette games2%
C01GCompounds containing metals not covered by subclasses c01d or c01f2%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
H01GCapacitors2%
H02JElectric power networks2%
PatentTitleYear
8,785,047'Lithium-ion secondary battery and method of charging lithium-ion secondary battery'20148,257,865'Electrode active material, electrode, lithium-ion secondary battery, method of making electrode active material, and method of making lithium-ion secondary battery'20128,142,927'Lithium secondary battery'20128,114,543'Lithium ion secondary battery'20127,709,155'Nonaqueous electrolytic solution and lithium-ion secondary battery'20107,651,815'Lithium secondary battery'20107,651,818'Lithium ion secondary battery and charging method therefor'20107,615,084'Secondary battery, and its production process'20097,583,058'Method of charging lithium ion secondary battery including a constant current, charging apparatus, and power supply apparatus'20097,413,829'Lithium secondary battery'20087,195,844'Lithium secondary battery'20077,189,478'Lithium secondary battery'20076,839,435'Ranking display method for game machine'20056,653,018'Electrochemical device'20036,534,219'Secondary battery'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2014Patents assigned to TDK CORP (14)· patent assignee history
2003–2014Based in Tokyo, JP· patent location history
2003–2009Based in Chuo-ku, JP· patent location history
2005Patents assigned to NAMCO LTD (1)· patent assignee history
2012–2014Patents assigned to IIJIMA TSUYOSHI (4)· patent assignee history
2012–2014Patents assigned to MARUYAMA SATOSHI (3)· patent assignee history
2012–2014Patents assigned to OGAWA KAZUYA (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP142003–2014
IIJIMA TSUYOSHIself42012–2014
MARUYAMA SATOSHI32012–2014
OGAWA KAZUYA32012–2014
NAMCO LTD12005
Locations
LocationPatentsSpan
Tokyo, JP132003–2014
Chuo-ku, JP22003–2009