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Inventor

Jyrki Leppanen

Inventor
Helsinki, FI

Overview

2→
Patents
1997–1998
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution40%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals20%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy20%
Y02PClimate change mitigation technologies in the production or processing of goods20%
PatentTitleYear
5,789,092'Method and equipment for prevention of cooling of electrochemical devices'19985,665,211'Electrolysis apparatus for producing hydrogen'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to NESTE OY (2)· patent assignee history
1997–1998Based in Helsinki, FI· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NESTE OY21997–1998
Locations
LocationPatentsSpan
Helsinki, FI21997–1998