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Inventor

Evgeny Ovsyannikov

Inventor
St. Petersburg, RU

Overview

3→
Patents
2005–2009
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G10Lprimary
G10LSpeech analysis techniques or speech synthesis50%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals25%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%
PatentTitleYear
7,553,398'Plant for decomposition of water by electrolysis'20097,181,404'Method and apparatus for audio compression'20076,965,859'Method and apparatus for audio compression'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2007Patents assigned to XVD CORP (2)· patent assignee history
2005–2007Based in St. Petersburg, RU· patent location history
2009Patents assigned to OM ENERGY LTD (1)· patent assignee history
2009Based in Moscow, RU· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
XVD CORP22005–2007
OM ENERGY LTD12009
Locations
LocationPatentsSpan
St. Petersburg, RU22005–2007
Moscow, RU12009