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Inventor

Yuichi Watakabe

Inventor
Yokohama, JP

Overview

6→
Patents
1978–2005
Patent span
Electricity
Primary field (CPC H)

Patents· 6 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 energy45%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution36%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
G01RMeasuring electric variables9%
PatentTitleYear
6,838,883'Method and system for monitoring state of lead acid battery'20054,728,587'Battery using halogen as active material'19884,594,298'Zinc-chloride cell'19864,473,625'Zinc-halogen battery'19844,184,008'Float type metal-air battery'19804,129,684'Float type metal-air battery'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2005Patents assigned to FURUKAWA BATTERY CO LTD (2)· patent assignee history
1978–1986Based in Yokohama, JP· patent location history
1980Patents assigned to WATAKABE YUICHI (1)· patent assignee history
1980Based in Hodogaya-ku, Yokohama-shi, Kanagawa-ken, JP· patent location history
1984–1988Patents assigned to FURUKAWA ELECTRIC CO LTD (3)· patent assignee history
1988Based in Tokyo, JP· patent location history
2005Based in Tochigi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FURUKAWA ELECTRIC CO LTD31984–1988
FURUKAWA BATTERY CO LTD21978–2005
WATAKABE YUICHIself11980
Locations
LocationPatentsSpan
Yokohama, JP31978–1986
Tochigi, JP12005
Tokyo, JP11988
Hodogaya-ku, Yokohama-shi, Kanagawa-ken, JP11980