LexDanaLexDanabeta
Inventor

Yumiko Takizawa

Inventor
Yokohama, JP

Overview

5→
Patents
1997–2012
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 5 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 energy40%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution40%
C10LFuels not otherwise provided for10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
PatentTitleYear
8,197,560'Fuel for fuel cell, fuel cartridge for fuel cell and fuel cell'20127,749,640'Fuel Cell'20107,655,344—20107,638,223'Fuel cell'20095,631,100'Secondary battery'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to ASAHI CHEMICAL IND (1)· patent assignee history
1997–2012Based in Yokohama, JP· patent location history
2009–2012Patents assigned to TOSHIBA KK (3)· patent assignee history
2012Patents assigned to IMODA DAISUKE (1)· patent assignee history
2012Patents assigned to TAKIZAWA YUMIKO (1)· patent assignee history
2012Patents assigned to TOYO SEIKAN KAISHA LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK32009–2012
ASAHI CHEMICAL IND11997
IMODA DAISUKE12012
TAKIZAWA YUMIKOself12012
TOYO SEIKAN KAISHA LTD12012
Locations
LocationPatentsSpan
Yokohama, JP51997–2012