LexDanaLexDanabeta
Inventor

Takanori Akazawa

Inventor
Gunma, JP

Overview

4→
Patents
1992–1994
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 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 energy33%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
B22FWorking metallic powder25%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
5,296,267'Process for preparing non-amalgamated zinc alloy powder for alkali dry cells'19945,209,995'Zinc alkaline cells'19935,198,315'Zinc alkaline cells'19935,139,900'Zinc alkaline cells'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to SANYO ELECTRIC CO (4)· patent assignee history
1992–1994Patents assigned to SANYO EXCEL KK (4)· patent assignee history
1992–1994Patents assigned to TOHO ZINC CO LTD (3)· patent assignee history
1992–1994Based in Gunma, JP· patent location history
1993Patents assigned to TOHO AEN KANUSHIKIGAISHA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANYO ELECTRIC CO41992–1994
SANYO EXCEL KK41992–1994
TOHO ZINC CO LTD31992–1994
TOHO AEN KANUSHIKIGAISHA11993
Locations
LocationPatentsSpan
Gunma, JP41992–1994