Inventor

Keiko Matsubara

Inventor
Yokohama, JP

Overview

17→
Patents
2003–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 17 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 energy37%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution37%
Y10TTechnical subjects covered by former us classification11%
C22CAlloys4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
C01BNon-metallic elements2%
C04BLime, magnesia2%
H01BCables2%
PatentTitleYear
10,862,115Anode material for secondary battery and non-aqueous electrolyte secondary battery using the same202010,199,640Negative electrode material for secondary battery and secondary battery using the same201910,115,963Negative electrode material for secondary battery and secondary battery using the same20188,048,568'Negative active material for rechargeable lithium battery and rechargeable lithium battery'20117,851,086'Electrode material for a lithium secondary battery, lithium secondary battery, and preparation method for the electrode material for a lithium secondary battery'20107,658,871'Method of preparing a negative active material for rechargeable lithium battery'20107,479,351'Electrode material for a lithium secondary battery, lithium secondary battery, and preparation method for the electrode material for a lithium secondary battery'20097,326,497'Graphite-containing composition, negative electrode for a lithium secondary battery, and lithium secondary battery'20087,223,498'Electrode for a lithium secondary battery and a lithium secondary battery comprising the same'20076,869,730'Electrode material, method for preparing same, electrode, and battery comprising same'20056,855,459'Electrode for rechargeable lithium battery, method of preparing same and rechargeable lithium battery having the same'20056,797,434'NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY AND METHOD OF PREPARING NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM SECONDARY BATTERY'20046,767,669'Negative electrode for lithium rechargeable batteries and lithium rechargeable batteries'20046,733,546'Method of preparing an anode material for lithium secondary battery'20046,733,922'Carbonaceous material and lithium secondary batteries comprising same'20046,641,955'Anode material for lithium secondary battery, an electrode for lithium secondary battery and a lithium secondary battery'20036,589,696'Negative active material for rechargeable lithium battery and method of preparing same'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2011Patents assigned to SAMSUNG SDI CO LTD (14)· patent assignee history
2003–2011Based in Yokohama, JP· patent location history
2018–2020Patents assigned to LG CHEMICAL LTD (3)· patent assignee history
2018–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG SDI CO LTD142003–2011
LG CHEMICAL LTD32018–2020
Locations
LocationPatentsSpan
Yokohama, JP142003–2011
Tokyo, JP32018–2020